/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:37:45,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:37:45,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:37:45,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:37:45,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:37:45,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:37:45,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:37:45,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:37:45,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:37:45,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:37:45,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:37:45,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:37:45,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:37:45,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:37:45,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:37:45,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:37:45,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:37:45,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:37:45,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:37:45,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:37:45,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:37:45,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:37:45,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:37:45,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:37:45,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 14:37:45,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:37:45,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:37:45,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:37:45,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:37:45,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:37:45,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:37:45,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:37:45,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:37:45,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:37:45,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:37:45,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:37:45,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:37:45,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:37:45,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:37:45,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:37:45,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:37:45,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:37:45,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:37:45,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:37:45,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:37:45,852 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:37:45,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:37:45,852 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:37:45,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:37:45,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:37:45,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:37:45,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:37:45,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:37:45,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:37:45,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:37:45,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:37:45,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:37:45,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:37:45,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:37:45,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:37:45,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:37:45,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:37:45,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:37:45,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:37:45,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:37:45,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:37:46,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:37:46,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:37:46,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:37:46,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:37:46,259 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:37:46,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2022-10-16 14:37:46,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72491cb9b/840e7788f2d6412ebbc12438f31cc967/FLAG521d1b236 [2022-10-16 14:37:46,939 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:37:46,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2022-10-16 14:37:46,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72491cb9b/840e7788f2d6412ebbc12438f31cc967/FLAG521d1b236 [2022-10-16 14:37:47,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72491cb9b/840e7788f2d6412ebbc12438f31cc967 [2022-10-16 14:37:47,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:37:47,296 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:37:47,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:37:47,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:37:47,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:37:47,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebd1f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47, skipping insertion in model container [2022-10-16 14:37:47,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:37:47,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:37:47,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c[318,331] [2022-10-16 14:37:47,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:37:47,680 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:37:47,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c[318,331] [2022-10-16 14:37:47,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:37:47,730 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:37:47,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47 WrapperNode [2022-10-16 14:37:47,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:37:47,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:37:47,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:37:47,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:37:47,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,796 INFO L138 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 266 [2022-10-16 14:37:47,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:37:47,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:37:47,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:37:47,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:37:47,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:37:47,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:37:47,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:37:47,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:37:47,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (1/1) ... [2022-10-16 14:37:47,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:37:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:47,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:37:47,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:37:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:37:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:37:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:37:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 14:37:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 14:37:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:37:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:37:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:37:48,109 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:37:48,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:37:48,697 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:37:48,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:37:48,714 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-16 14:37:48,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:48 BoogieIcfgContainer [2022-10-16 14:37:48,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:37:48,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:37:48,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:37:48,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:37:48,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:37:47" (1/3) ... [2022-10-16 14:37:48,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d51c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:48, skipping insertion in model container [2022-10-16 14:37:48,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:47" (2/3) ... [2022-10-16 14:37:48,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d51c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:48, skipping insertion in model container [2022-10-16 14:37:48,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:48" (3/3) ... [2022-10-16 14:37:48,729 INFO L112 eAbstractionObserver]: Analyzing ICFG ludcmp.c [2022-10-16 14:37:48,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:37:48,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-10-16 14:37:48,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:37:48,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a25efbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:37:48,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-10-16 14:37:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 88 states have (on average 1.7954545454545454) internal successors, (158), 130 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:37:48,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:48,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:37:48,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:48,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash 28698920, now seen corresponding path program 1 times [2022-10-16 14:37:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:48,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318038685] [2022-10-16 14:37:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318038685] [2022-10-16 14:37:49,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318038685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:37:49,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744945022] [2022-10-16 14:37:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:49,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:49,143 INFO L87 Difference]: Start difference. First operand has 131 states, 88 states have (on average 1.7954545454545454) internal successors, (158), 130 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,255 INFO L93 Difference]: Finished difference Result 387 states and 470 transitions. [2022-10-16 14:37:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:49,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 14:37:49,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,271 INFO L225 Difference]: With dead ends: 387 [2022-10-16 14:37:49,272 INFO L226 Difference]: Without dead ends: 246 [2022-10-16 14:37:49,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:49,281 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 139 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 262 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-10-16 14:37:49,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 138. [2022-10-16 14:37:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 96 states have (on average 1.6666666666666667) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2022-10-16 14:37:49,340 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 5 [2022-10-16 14:37:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:49,341 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2022-10-16 14:37:49,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2022-10-16 14:37:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 14:37:49,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:49,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:49,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:37:49,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:49,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1809860010, now seen corresponding path program 1 times [2022-10-16 14:37:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:49,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031135198] [2022-10-16 14:37:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031135198] [2022-10-16 14:37:49,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031135198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:37:49,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792055204] [2022-10-16 14:37:49,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:49,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:49,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:49,414 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,504 INFO L93 Difference]: Finished difference Result 273 states and 316 transitions. [2022-10-16 14:37:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:49,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-10-16 14:37:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,507 INFO L225 Difference]: With dead ends: 273 [2022-10-16 14:37:49,507 INFO L226 Difference]: Without dead ends: 271 [2022-10-16 14:37:49,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:49,513 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 129 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 355 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-10-16 14:37:49,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 148. [2022-10-16 14:37:49,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 106 states have (on average 1.6415094339622642) internal successors, (174), 147 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2022-10-16 14:37:49,550 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 7 [2022-10-16 14:37:49,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:49,550 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2022-10-16 14:37:49,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2022-10-16 14:37:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:37:49,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:49,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:49,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:37:49,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:49,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:49,559 INFO L85 PathProgramCache]: Analyzing trace with hash -217620630, now seen corresponding path program 1 times [2022-10-16 14:37:49,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:49,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105446610] [2022-10-16 14:37:49,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105446610] [2022-10-16 14:37:49,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105446610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:37:49,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412859710] [2022-10-16 14:37:49,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:49,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:49,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:49,679 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:49,775 INFO L93 Difference]: Finished difference Result 296 states and 342 transitions. [2022-10-16 14:37:49,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:49,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:37:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:49,777 INFO L225 Difference]: With dead ends: 296 [2022-10-16 14:37:49,778 INFO L226 Difference]: Without dead ends: 168 [2022-10-16 14:37:49,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:49,786 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 173 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:49,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 244 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:49,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-10-16 14:37:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2022-10-16 14:37:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 106 states have (on average 1.6226415094339623) internal successors, (172), 147 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2022-10-16 14:37:49,816 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 9 [2022-10-16 14:37:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:49,817 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2022-10-16 14:37:49,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2022-10-16 14:37:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:37:49,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:49,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:49,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:37:49,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:49,823 INFO L85 PathProgramCache]: Analyzing trace with hash -186283476, now seen corresponding path program 1 times [2022-10-16 14:37:49,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:49,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70186121] [2022-10-16 14:37:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:49,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:49,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70186121] [2022-10-16 14:37:49,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70186121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:49,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:49,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:49,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268920008] [2022-10-16 14:37:49,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:49,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:49,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:49,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:49,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:49,941 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:50,028 INFO L93 Difference]: Finished difference Result 405 states and 459 transitions. [2022-10-16 14:37:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:50,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:37:50,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:50,031 INFO L225 Difference]: With dead ends: 405 [2022-10-16 14:37:50,031 INFO L226 Difference]: Without dead ends: 265 [2022-10-16 14:37:50,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:50,034 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 155 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:50,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 354 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:50,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-16 14:37:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 151. [2022-10-16 14:37:50,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 109 states have (on average 1.6055045871559632) internal successors, (175), 150 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2022-10-16 14:37:50,050 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 9 [2022-10-16 14:37:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,051 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2022-10-16 14:37:50,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2022-10-16 14:37:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:37:50,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:50,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:37:50,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1413327947, now seen corresponding path program 1 times [2022-10-16 14:37:50,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352372368] [2022-10-16 14:37:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352372368] [2022-10-16 14:37:50,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352372368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:50,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:50,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:50,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329052799] [2022-10-16 14:37:50,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:50,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:50,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:50,130 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:50,182 INFO L93 Difference]: Finished difference Result 259 states and 287 transitions. [2022-10-16 14:37:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:50,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 14:37:50,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:50,185 INFO L225 Difference]: With dead ends: 259 [2022-10-16 14:37:50,185 INFO L226 Difference]: Without dead ends: 165 [2022-10-16 14:37:50,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:37:50,188 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 28 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:50,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 242 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:50,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-16 14:37:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151. [2022-10-16 14:37:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 109 states have (on average 1.5963302752293578) internal successors, (174), 150 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 174 transitions. [2022-10-16 14:37:50,228 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 174 transitions. Word has length 10 [2022-10-16 14:37:50,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,228 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 174 transitions. [2022-10-16 14:37:50,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 174 transitions. [2022-10-16 14:37:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:37:50,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:50,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:37:50,230 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,232 INFO L85 PathProgramCache]: Analyzing trace with hash 495000342, now seen corresponding path program 1 times [2022-10-16 14:37:50,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936288070] [2022-10-16 14:37:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936288070] [2022-10-16 14:37:50,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936288070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:50,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:50,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:50,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688025808] [2022-10-16 14:37:50,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:50,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:50,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:50,397 INFO L87 Difference]: Start difference. First operand 151 states and 174 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:50,455 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2022-10-16 14:37:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:50,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 14:37:50,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:50,457 INFO L225 Difference]: With dead ends: 168 [2022-10-16 14:37:50,457 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 14:37:50,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:50,459 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 8 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:50,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 377 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 14:37:50,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2022-10-16 14:37:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 120 states have (on average 1.5666666666666667) internal successors, (188), 161 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2022-10-16 14:37:50,469 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 14 [2022-10-16 14:37:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:50,470 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2022-10-16 14:37:50,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2022-10-16 14:37:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:37:50,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:50,471 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:50,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:37:50,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:50,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1738386039, now seen corresponding path program 1 times [2022-10-16 14:37:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:50,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697392329] [2022-10-16 14:37:50,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:50,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697392329] [2022-10-16 14:37:50,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697392329] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:50,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438817856] [2022-10-16 14:37:50,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:50,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:50,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:50,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:50,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:37:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:50,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:37:50,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:50,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438817856] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:50,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:50,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-10-16 14:37:50,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153820341] [2022-10-16 14:37:50,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:50,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:37:50,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:37:50,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:37:50,863 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:51,002 INFO L93 Difference]: Finished difference Result 413 states and 472 transitions. [2022-10-16 14:37:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:37:51,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 14:37:51,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:51,006 INFO L225 Difference]: With dead ends: 413 [2022-10-16 14:37:51,006 INFO L226 Difference]: Without dead ends: 411 [2022-10-16 14:37:51,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:37:51,008 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 283 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:51,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 848 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-10-16 14:37:51,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 194. [2022-10-16 14:37:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 152 states have (on average 1.5657894736842106) internal successors, (238), 193 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 238 transitions. [2022-10-16 14:37:51,021 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 238 transitions. Word has length 19 [2022-10-16 14:37:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:51,021 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 238 transitions. [2022-10-16 14:37:51,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 238 transitions. [2022-10-16 14:37:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 14:37:51,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:51,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:51,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:51,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:51,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:51,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:51,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1944607583, now seen corresponding path program 1 times [2022-10-16 14:37:51,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:51,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847968529] [2022-10-16 14:37:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:51,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847968529] [2022-10-16 14:37:51,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847968529] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:51,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107602438] [2022-10-16 14:37:51,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:51,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:51,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:51,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:37:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:37:51,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:51,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:37:51,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107602438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:51,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:37:51,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 14:37:51,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591503387] [2022-10-16 14:37:51,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:51,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:37:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:51,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:37:51,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:37:51,459 INFO L87 Difference]: Start difference. First operand 194 states and 238 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:51,491 INFO L93 Difference]: Finished difference Result 194 states and 238 transitions. [2022-10-16 14:37:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:37:51,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-16 14:37:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:51,493 INFO L225 Difference]: With dead ends: 194 [2022-10-16 14:37:51,493 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 14:37:51,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:37:51,496 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 129 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:51,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 14:37:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-10-16 14:37:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 152 states have (on average 1.5394736842105263) internal successors, (234), 192 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 234 transitions. [2022-10-16 14:37:51,511 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 234 transitions. Word has length 20 [2022-10-16 14:37:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:51,511 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 234 transitions. [2022-10-16 14:37:51,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 234 transitions. [2022-10-16 14:37:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 14:37:51,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:51,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:51,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:51,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 14:37:51,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:51,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash -184630025, now seen corresponding path program 1 times [2022-10-16 14:37:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:51,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908769561] [2022-10-16 14:37:51,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:37:51,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:51,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908769561] [2022-10-16 14:37:51,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908769561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:51,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:51,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:51,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929282790] [2022-10-16 14:37:51,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:51,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:51,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:51,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:51,792 INFO L87 Difference]: Start difference. First operand 193 states and 234 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:51,847 INFO L93 Difference]: Finished difference Result 206 states and 242 transitions. [2022-10-16 14:37:51,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:51,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 14:37:51,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:51,849 INFO L225 Difference]: With dead ends: 206 [2022-10-16 14:37:51,849 INFO L226 Difference]: Without dead ends: 204 [2022-10-16 14:37:51,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:51,850 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 9 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:51,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 363 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-10-16 14:37:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 199. [2022-10-16 14:37:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 158 states have (on average 1.518987341772152) internal successors, (240), 198 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 240 transitions. [2022-10-16 14:37:51,861 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 240 transitions. Word has length 21 [2022-10-16 14:37:51,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:51,861 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 240 transitions. [2022-10-16 14:37:51,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 240 transitions. [2022-10-16 14:37:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 14:37:51,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:51,862 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:37:51,863 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -153292871, now seen corresponding path program 1 times [2022-10-16 14:37:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:51,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446029073] [2022-10-16 14:37:51,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:51,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:51,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446029073] [2022-10-16 14:37:51,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446029073] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:51,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093529195] [2022-10-16 14:37:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:51,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:51,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:51,978 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:51,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:37:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:52,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:52,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:52,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:52,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093529195] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:52,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:52,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-10-16 14:37:52,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486768836] [2022-10-16 14:37:52,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:52,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:37:52,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:52,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:37:52,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:37:52,215 INFO L87 Difference]: Start difference. First operand 199 states and 240 transitions. Second operand has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:52,573 INFO L93 Difference]: Finished difference Result 327 states and 392 transitions. [2022-10-16 14:37:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 14:37:52,573 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 14:37:52,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:52,575 INFO L225 Difference]: With dead ends: 327 [2022-10-16 14:37:52,575 INFO L226 Difference]: Without dead ends: 322 [2022-10-16 14:37:52,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:37:52,577 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 195 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:52,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 713 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:37:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-10-16 14:37:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 251. [2022-10-16 14:37:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.4952380952380953) internal successors, (314), 250 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 314 transitions. [2022-10-16 14:37:52,592 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 314 transitions. Word has length 21 [2022-10-16 14:37:52,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:52,594 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 314 transitions. [2022-10-16 14:37:52,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 314 transitions. [2022-10-16 14:37:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 14:37:52,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:52,600 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:52,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:52,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:52,815 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:52,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:52,816 INFO L85 PathProgramCache]: Analyzing trace with hash -457111645, now seen corresponding path program 1 times [2022-10-16 14:37:52,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:52,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096730305] [2022-10-16 14:37:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:52,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:52,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:52,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096730305] [2022-10-16 14:37:52,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096730305] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:52,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:52,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:52,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769413078] [2022-10-16 14:37:52,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:52,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:52,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:52,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:52,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:52,877 INFO L87 Difference]: Start difference. First operand 251 states and 314 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:52,918 INFO L93 Difference]: Finished difference Result 256 states and 314 transitions. [2022-10-16 14:37:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:52,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 14:37:52,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:52,921 INFO L225 Difference]: With dead ends: 256 [2022-10-16 14:37:52,921 INFO L226 Difference]: Without dead ends: 255 [2022-10-16 14:37:52,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:52,922 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 31 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:52,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 241 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:52,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-10-16 14:37:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 251. [2022-10-16 14:37:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 210 states have (on average 1.4857142857142858) internal successors, (312), 250 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 312 transitions. [2022-10-16 14:37:52,935 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 312 transitions. Word has length 22 [2022-10-16 14:37:52,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:52,936 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 312 transitions. [2022-10-16 14:37:52,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 312 transitions. [2022-10-16 14:37:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 14:37:52,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:52,937 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:52,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:37:52,938 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:52,938 INFO L85 PathProgramCache]: Analyzing trace with hash 499143716, now seen corresponding path program 1 times [2022-10-16 14:37:52,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:52,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5129881] [2022-10-16 14:37:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:52,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:37:53,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:53,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5129881] [2022-10-16 14:37:53,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5129881] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:53,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836454399] [2022-10-16 14:37:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:53,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:53,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:53,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:37:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:53,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:53,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:53,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836454399] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:53,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:53,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 13 [2022-10-16 14:37:53,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749367013] [2022-10-16 14:37:53,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:53,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:37:53,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:37:53,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:37:53,235 INFO L87 Difference]: Start difference. First operand 251 states and 312 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:53,652 INFO L93 Difference]: Finished difference Result 551 states and 678 transitions. [2022-10-16 14:37:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 14:37:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 14:37:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:53,655 INFO L225 Difference]: With dead ends: 551 [2022-10-16 14:37:53,655 INFO L226 Difference]: Without dead ends: 345 [2022-10-16 14:37:53,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=844, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:37:53,657 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 900 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:53,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 771 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:37:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-10-16 14:37:53,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 282. [2022-10-16 14:37:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 241 states have (on average 1.4564315352697095) internal successors, (351), 281 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 351 transitions. [2022-10-16 14:37:53,673 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 351 transitions. Word has length 25 [2022-10-16 14:37:53,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:53,674 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 351 transitions. [2022-10-16 14:37:53,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,674 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 351 transitions. [2022-10-16 14:37:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 14:37:53,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:53,675 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:53,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:53,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:53,889 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:53,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:53,890 INFO L85 PathProgramCache]: Analyzing trace with hash -140198206, now seen corresponding path program 1 times [2022-10-16 14:37:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051920643] [2022-10-16 14:37:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:53,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:53,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:53,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051920643] [2022-10-16 14:37:53,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051920643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:53,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:53,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:53,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708703508] [2022-10-16 14:37:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:53,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:53,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:53,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:53,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:53,942 INFO L87 Difference]: Start difference. First operand 282 states and 351 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:53,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:53,980 INFO L93 Difference]: Finished difference Result 282 states and 351 transitions. [2022-10-16 14:37:53,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:53,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 14:37:53,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:53,986 INFO L225 Difference]: With dead ends: 282 [2022-10-16 14:37:53,986 INFO L226 Difference]: Without dead ends: 281 [2022-10-16 14:37:53,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:53,988 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 128 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:53,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 244 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-10-16 14:37:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-10-16 14:37:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 241 states have (on average 1.4149377593360997) internal successors, (341), 280 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 341 transitions. [2022-10-16 14:37:54,005 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 341 transitions. Word has length 27 [2022-10-16 14:37:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:54,006 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 341 transitions. [2022-10-16 14:37:54,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 341 transitions. [2022-10-16 14:37:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:37:54,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:54,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:54,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:37:54,007 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:54,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:54,008 INFO L85 PathProgramCache]: Analyzing trace with hash -392589256, now seen corresponding path program 1 times [2022-10-16 14:37:54,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:54,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831655543] [2022-10-16 14:37:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 14:37:54,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:54,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831655543] [2022-10-16 14:37:54,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831655543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:54,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:54,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:54,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898831676] [2022-10-16 14:37:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:54,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:54,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:54,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:54,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:54,062 INFO L87 Difference]: Start difference. First operand 281 states and 341 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:54,098 INFO L93 Difference]: Finished difference Result 283 states and 341 transitions. [2022-10-16 14:37:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 14:37:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:54,101 INFO L225 Difference]: With dead ends: 283 [2022-10-16 14:37:54,101 INFO L226 Difference]: Without dead ends: 282 [2022-10-16 14:37:54,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:37:54,102 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 11 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:54,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 363 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-10-16 14:37:54,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2022-10-16 14:37:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 241 states have (on average 1.3900414937759336) internal successors, (335), 279 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 335 transitions. [2022-10-16 14:37:54,120 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 335 transitions. Word has length 38 [2022-10-16 14:37:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:54,121 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 335 transitions. [2022-10-16 14:37:54,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 335 transitions. [2022-10-16 14:37:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 14:37:54,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:54,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:54,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:37:54,123 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:54,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:54,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1400169835, now seen corresponding path program 1 times [2022-10-16 14:37:54,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:54,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698580483] [2022-10-16 14:37:54,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-16 14:37:54,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:54,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698580483] [2022-10-16 14:37:54,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698580483] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:54,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072387087] [2022-10-16 14:37:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:54,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:54,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:37:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:54,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:37:54,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:54,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:54,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072387087] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:54,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:54,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 17 [2022-10-16 14:37:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478785167] [2022-10-16 14:37:54,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:54,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:37:54,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:54,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:37:54,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:37:54,487 INFO L87 Difference]: Start difference. First operand 280 states and 335 transitions. Second operand has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:54,738 INFO L93 Difference]: Finished difference Result 688 states and 812 transitions. [2022-10-16 14:37:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:37:54,739 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-10-16 14:37:54,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:54,742 INFO L225 Difference]: With dead ends: 688 [2022-10-16 14:37:54,742 INFO L226 Difference]: Without dead ends: 453 [2022-10-16 14:37:54,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:37:54,744 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 343 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:54,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 822 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-10-16 14:37:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 333. [2022-10-16 14:37:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 295 states have (on average 1.3254237288135593) internal successors, (391), 332 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 391 transitions. [2022-10-16 14:37:54,767 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 391 transitions. Word has length 43 [2022-10-16 14:37:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:54,767 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 391 transitions. [2022-10-16 14:37:54,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 391 transitions. [2022-10-16 14:37:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 14:37:54,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:54,769 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-10-16 14:37:54,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:54,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:37:54,983 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:54,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1238445993, now seen corresponding path program 1 times [2022-10-16 14:37:54,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:54,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922191875] [2022-10-16 14:37:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:55,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:55,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922191875] [2022-10-16 14:37:55,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922191875] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:55,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955009250] [2022-10-16 14:37:55,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:55,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:55,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:55,240 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:55,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:37:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:55,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:37:55,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:55,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:55,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955009250] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:55,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:55,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2022-10-16 14:37:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801881950] [2022-10-16 14:37:55,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:55,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 14:37:55,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:55,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 14:37:55,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:37:55,661 INFO L87 Difference]: Start difference. First operand 333 states and 391 transitions. Second operand has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:56,160 INFO L93 Difference]: Finished difference Result 467 states and 544 transitions. [2022-10-16 14:37:56,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:37:56,160 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-16 14:37:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:56,163 INFO L225 Difference]: With dead ends: 467 [2022-10-16 14:37:56,163 INFO L226 Difference]: Without dead ends: 466 [2022-10-16 14:37:56,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=447, Invalid=1113, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:37:56,165 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 296 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:56,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 943 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:37:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-10-16 14:37:56,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 381. [2022-10-16 14:37:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 343 states have (on average 1.3032069970845481) internal successors, (447), 380 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 447 transitions. [2022-10-16 14:37:56,185 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 447 transitions. Word has length 45 [2022-10-16 14:37:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:56,186 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 447 transitions. [2022-10-16 14:37:56,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.32) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 447 transitions. [2022-10-16 14:37:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:37:56,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:56,187 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:56,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:56,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:37:56,401 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:56,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1902018501, now seen corresponding path program 1 times [2022-10-16 14:37:56,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:56,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657938146] [2022-10-16 14:37:56,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:56,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-10-16 14:37:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:56,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657938146] [2022-10-16 14:37:56,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657938146] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:56,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764864594] [2022-10-16 14:37:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:56,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:56,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:37:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:56,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:37:56,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 14:37:56,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:37:56,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764864594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:56,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:37:56,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2022-10-16 14:37:56,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948704328] [2022-10-16 14:37:56,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:56,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:37:56,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:56,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:37:56,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:37:56,694 INFO L87 Difference]: Start difference. First operand 381 states and 447 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:56,791 INFO L93 Difference]: Finished difference Result 694 states and 820 transitions. [2022-10-16 14:37:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:37:56,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 14:37:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:56,794 INFO L225 Difference]: With dead ends: 694 [2022-10-16 14:37:56,794 INFO L226 Difference]: Without dead ends: 353 [2022-10-16 14:37:56,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:37:56,796 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 31 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:56,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 351 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:37:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-10-16 14:37:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 352. [2022-10-16 14:37:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 314 states have (on average 1.302547770700637) internal successors, (409), 351 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 409 transitions. [2022-10-16 14:37:56,831 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 409 transitions. Word has length 62 [2022-10-16 14:37:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:56,832 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 409 transitions. [2022-10-16 14:37:56,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 409 transitions. [2022-10-16 14:37:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:37:56,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:56,833 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:56,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:57,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:57,046 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:57,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:57,047 INFO L85 PathProgramCache]: Analyzing trace with hash 530211203, now seen corresponding path program 2 times [2022-10-16 14:37:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:57,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105462181] [2022-10-16 14:37:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:57,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-10-16 14:37:57,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:57,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105462181] [2022-10-16 14:37:57,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105462181] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:57,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449183570] [2022-10-16 14:37:57,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:37:57,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:57,155 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:57,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:37:57,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:37:57,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:37:57,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:37:57,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:57,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:37:57,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449183570] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:57,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:57,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12, 12] total 25 [2022-10-16 14:37:57,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708383083] [2022-10-16 14:37:57,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:57,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 14:37:57,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:57,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 14:37:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:37:57,696 INFO L87 Difference]: Start difference. First operand 352 states and 409 transitions. Second operand has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:58,483 INFO L93 Difference]: Finished difference Result 864 states and 1012 transitions. [2022-10-16 14:37:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-16 14:37:58,483 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 14:37:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:58,487 INFO L225 Difference]: With dead ends: 864 [2022-10-16 14:37:58,487 INFO L226 Difference]: Without dead ends: 605 [2022-10-16 14:37:58,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=710, Invalid=2370, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:37:58,490 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 746 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:58,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 921 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:37:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2022-10-16 14:37:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 564. [2022-10-16 14:37:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 526 states have (on average 1.2547528517110267) internal successors, (660), 563 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 660 transitions. [2022-10-16 14:37:58,519 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 660 transitions. Word has length 62 [2022-10-16 14:37:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:58,520 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 660 transitions. [2022-10-16 14:37:58,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.56) internal successors, (139), 25 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 660 transitions. [2022-10-16 14:37:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 14:37:58,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:58,521 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:37:58,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:37:58,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:37:58,736 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:58,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:58,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1529555543, now seen corresponding path program 1 times [2022-10-16 14:37:58,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:58,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886127000] [2022-10-16 14:37:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:58,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-16 14:37:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:58,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886127000] [2022-10-16 14:37:58,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886127000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:37:58,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:37:58,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:37:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489749545] [2022-10-16 14:37:58,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:37:58,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:37:58,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:58,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:37:58,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:58,833 INFO L87 Difference]: Start difference. First operand 564 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:37:58,888 INFO L93 Difference]: Finished difference Result 568 states and 660 transitions. [2022-10-16 14:37:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:37:58,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 14:37:58,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:37:58,892 INFO L225 Difference]: With dead ends: 568 [2022-10-16 14:37:58,892 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 14:37:58,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:37:58,893 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 12 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:37:58,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 358 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:37:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 14:37:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 564. [2022-10-16 14:37:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 526 states have (on average 1.2509505703422052) internal successors, (658), 563 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 658 transitions. [2022-10-16 14:37:58,921 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 658 transitions. Word has length 90 [2022-10-16 14:37:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:37:58,921 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 658 transitions. [2022-10-16 14:37:58,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:37:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 658 transitions. [2022-10-16 14:37:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 14:37:58,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:37:58,922 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2022-10-16 14:37:58,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 14:37:58,923 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:37:58,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:37:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1118774163, now seen corresponding path program 2 times [2022-10-16 14:37:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:37:58,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677560100] [2022-10-16 14:37:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:37:58,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:37:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:37:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 228 proven. 61 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:37:59,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:37:59,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677560100] [2022-10-16 14:37:59,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677560100] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:37:59,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720199828] [2022-10-16 14:37:59,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:37:59,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:37:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:37:59,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:37:59,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:37:59,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:37:59,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:37:59,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:37:59,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:37:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-10-16 14:37:59,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:37:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-10-16 14:37:59,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720199828] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:37:59,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:37:59,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 3, 3] total 20 [2022-10-16 14:37:59,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163607231] [2022-10-16 14:37:59,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:37:59,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:37:59,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:37:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:37:59,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:37:59,870 INFO L87 Difference]: Start difference. First operand 564 states and 658 transitions. Second operand has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:01,043 INFO L93 Difference]: Finished difference Result 1113 states and 1296 transitions. [2022-10-16 14:38:01,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:38:01,043 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 14:38:01,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:01,046 INFO L225 Difference]: With dead ends: 1113 [2022-10-16 14:38:01,047 INFO L226 Difference]: Without dead ends: 615 [2022-10-16 14:38:01,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=764, Invalid=2776, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:38:01,050 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 615 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:01,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1038 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:38:01,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2022-10-16 14:38:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 420. [2022-10-16 14:38:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 384 states have (on average 1.2317708333333333) internal successors, (473), 419 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 473 transitions. [2022-10-16 14:38:01,075 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 473 transitions. Word has length 93 [2022-10-16 14:38:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:01,075 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 473 transitions. [2022-10-16 14:38:01,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.55) internal successors, (131), 20 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 473 transitions. [2022-10-16 14:38:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 14:38:01,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:01,077 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:01,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:01,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:01,291 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:01,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:01,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1159859962, now seen corresponding path program 2 times [2022-10-16 14:38:01,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:01,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540987533] [2022-10-16 14:38:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-10-16 14:38:01,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:01,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540987533] [2022-10-16 14:38:01,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540987533] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:01,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394513858] [2022-10-16 14:38:01,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:01,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:01,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:38:01,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:38:01,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:01,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:38:01,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-10-16 14:38:01,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:01,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394513858] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:01,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:01,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-10-16 14:38:01,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139179818] [2022-10-16 14:38:01,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:01,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:01,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:01,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:01,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:01,783 INFO L87 Difference]: Start difference. First operand 420 states and 473 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:01,884 INFO L93 Difference]: Finished difference Result 420 states and 473 transitions. [2022-10-16 14:38:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:01,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 14:38:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:01,887 INFO L225 Difference]: With dead ends: 420 [2022-10-16 14:38:01,887 INFO L226 Difference]: Without dead ends: 417 [2022-10-16 14:38:01,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:38:01,889 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 125 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:01,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 252 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:01,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-10-16 14:38:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 374. [2022-10-16 14:38:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 341 states have (on average 1.1583577712609971) internal successors, (395), 373 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 395 transitions. [2022-10-16 14:38:01,909 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 395 transitions. Word has length 102 [2022-10-16 14:38:01,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:01,909 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 395 transitions. [2022-10-16 14:38:01,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 395 transitions. [2022-10-16 14:38:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 14:38:01,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:01,914 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:38:01,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:02,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 14:38:02,129 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:02,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1439363069, now seen corresponding path program 1 times [2022-10-16 14:38:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:02,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677674836] [2022-10-16 14:38:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-10-16 14:38:02,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:02,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677674836] [2022-10-16 14:38:02,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677674836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:02,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:02,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128350438] [2022-10-16 14:38:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:02,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:02,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:02,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:02,300 INFO L87 Difference]: Start difference. First operand 374 states and 395 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:02,335 INFO L93 Difference]: Finished difference Result 374 states and 395 transitions. [2022-10-16 14:38:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-10-16 14:38:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:02,338 INFO L225 Difference]: With dead ends: 374 [2022-10-16 14:38:02,338 INFO L226 Difference]: Without dead ends: 373 [2022-10-16 14:38:02,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:02,339 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 4 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:02,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 337 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2022-10-16 14:38:02,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2022-10-16 14:38:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 341 states have (on average 1.155425219941349) internal successors, (394), 372 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 394 transitions. [2022-10-16 14:38:02,363 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 394 transitions. Word has length 161 [2022-10-16 14:38:02,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:02,363 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 394 transitions. [2022-10-16 14:38:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 394 transitions. [2022-10-16 14:38:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 14:38:02,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:02,366 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:02,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 14:38:02,366 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:02,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:02,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2102010179, now seen corresponding path program 1 times [2022-10-16 14:38:02,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:02,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519493479] [2022-10-16 14:38:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:02,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:02,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:02,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519493479] [2022-10-16 14:38:02,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519493479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:02,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:02,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:02,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403397218] [2022-10-16 14:38:02,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:02,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:02,687 INFO L87 Difference]: Start difference. First operand 373 states and 394 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:02,805 INFO L93 Difference]: Finished difference Result 503 states and 552 transitions. [2022-10-16 14:38:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:02,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2022-10-16 14:38:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:02,808 INFO L225 Difference]: With dead ends: 503 [2022-10-16 14:38:02,808 INFO L226 Difference]: Without dead ends: 411 [2022-10-16 14:38:02,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:38:02,810 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 334 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:02,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 157 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-10-16 14:38:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 400. [2022-10-16 14:38:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 370 states have (on average 1.164864864864865) internal successors, (431), 399 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 431 transitions. [2022-10-16 14:38:02,832 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 431 transitions. Word has length 170 [2022-10-16 14:38:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:02,833 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 431 transitions. [2022-10-16 14:38:02,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 431 transitions. [2022-10-16 14:38:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-16 14:38:02,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:02,835 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:02,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 14:38:02,836 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:02,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:02,836 INFO L85 PathProgramCache]: Analyzing trace with hash -350340476, now seen corresponding path program 1 times [2022-10-16 14:38:02,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:02,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432920396] [2022-10-16 14:38:02,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:02,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:03,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:03,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432920396] [2022-10-16 14:38:03,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432920396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:03,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:03,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143347871] [2022-10-16 14:38:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:03,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:03,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:03,104 INFO L87 Difference]: Start difference. First operand 400 states and 431 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:03,252 INFO L93 Difference]: Finished difference Result 475 states and 507 transitions. [2022-10-16 14:38:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:03,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2022-10-16 14:38:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:03,255 INFO L225 Difference]: With dead ends: 475 [2022-10-16 14:38:03,255 INFO L226 Difference]: Without dead ends: 474 [2022-10-16 14:38:03,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:38:03,257 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 162 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:03,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 375 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-10-16 14:38:03,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 405. [2022-10-16 14:38:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 375 states have (on average 1.1653333333333333) internal successors, (437), 404 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2022-10-16 14:38:03,288 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 177 [2022-10-16 14:38:03,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:03,290 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2022-10-16 14:38:03,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2022-10-16 14:38:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:03,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:03,293 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:03,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 14:38:03,294 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:03,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:03,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1979500181, now seen corresponding path program 1 times [2022-10-16 14:38:03,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:03,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534581850] [2022-10-16 14:38:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:03,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534581850] [2022-10-16 14:38:03,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534581850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:03,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:03,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:03,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66980814] [2022-10-16 14:38:03,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:03,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:03,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:03,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:03,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:03,502 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:03,583 INFO L93 Difference]: Finished difference Result 416 states and 442 transitions. [2022-10-16 14:38:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2022-10-16 14:38:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:03,586 INFO L225 Difference]: With dead ends: 416 [2022-10-16 14:38:03,586 INFO L226 Difference]: Without dead ends: 414 [2022-10-16 14:38:03,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:03,588 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 31 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:03,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 286 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:03,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-16 14:38:03,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2022-10-16 14:38:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 378 states have (on average 1.164021164021164) internal successors, (440), 407 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 440 transitions. [2022-10-16 14:38:03,622 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 440 transitions. Word has length 178 [2022-10-16 14:38:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:03,622 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 440 transitions. [2022-10-16 14:38:03,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 440 transitions. [2022-10-16 14:38:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:03,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:03,626 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:03,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 14:38:03,627 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:03,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:03,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2024347298, now seen corresponding path program 1 times [2022-10-16 14:38:03,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:03,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559496546] [2022-10-16 14:38:03,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2022-10-16 14:38:03,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:03,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559496546] [2022-10-16 14:38:03,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559496546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:03,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:03,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096338095] [2022-10-16 14:38:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:03,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:03,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:03,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:03,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:03,879 INFO L87 Difference]: Start difference. First operand 408 states and 440 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:03,966 INFO L93 Difference]: Finished difference Result 832 states and 901 transitions. [2022-10-16 14:38:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:38:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2022-10-16 14:38:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:03,969 INFO L225 Difference]: With dead ends: 832 [2022-10-16 14:38:03,969 INFO L226 Difference]: Without dead ends: 527 [2022-10-16 14:38:03,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:38:03,970 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 19 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:03,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 442 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-10-16 14:38:03,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 408. [2022-10-16 14:38:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 378 states have (on average 1.164021164021164) internal successors, (440), 407 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 440 transitions. [2022-10-16 14:38:03,996 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 440 transitions. Word has length 178 [2022-10-16 14:38:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:03,996 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 440 transitions. [2022-10-16 14:38:03,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 440 transitions. [2022-10-16 14:38:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-16 14:38:03,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:03,999 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:03,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 14:38:03,999 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2136487132, now seen corresponding path program 2 times [2022-10-16 14:38:04,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:04,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491954847] [2022-10-16 14:38:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2022-10-16 14:38:04,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:04,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491954847] [2022-10-16 14:38:04,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491954847] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:04,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139232492] [2022-10-16 14:38:04,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:04,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:04,367 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:04,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:38:04,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:04,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:04,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:04,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:04,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:04,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139232492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:04,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:04,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2022-10-16 14:38:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542206780] [2022-10-16 14:38:04,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:04,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:04,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:04,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:04,552 INFO L87 Difference]: Start difference. First operand 408 states and 440 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:04,724 INFO L93 Difference]: Finished difference Result 491 states and 527 transitions. [2022-10-16 14:38:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:04,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178 [2022-10-16 14:38:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:04,728 INFO L225 Difference]: With dead ends: 491 [2022-10-16 14:38:04,728 INFO L226 Difference]: Without dead ends: 489 [2022-10-16 14:38:04,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:38:04,730 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 170 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:04,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 340 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-10-16 14:38:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 413. [2022-10-16 14:38:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 384 states have (on average 1.1640625) internal successors, (447), 412 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 447 transitions. [2022-10-16 14:38:04,757 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 447 transitions. Word has length 178 [2022-10-16 14:38:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:04,757 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 447 transitions. [2022-10-16 14:38:04,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 447 transitions. [2022-10-16 14:38:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:04,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:04,760 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:04,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:04,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 14:38:04,973 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:04,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 513508402, now seen corresponding path program 1 times [2022-10-16 14:38:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:04,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713223298] [2022-10-16 14:38:04,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:04,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:05,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:05,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713223298] [2022-10-16 14:38:05,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713223298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:05,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:05,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:38:05,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922722961] [2022-10-16 14:38:05,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:05,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:05,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:05,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:05,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:05,206 INFO L87 Difference]: Start difference. First operand 413 states and 447 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:05,307 INFO L93 Difference]: Finished difference Result 541 states and 589 transitions. [2022-10-16 14:38:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:05,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-10-16 14:38:05,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:05,310 INFO L225 Difference]: With dead ends: 541 [2022-10-16 14:38:05,310 INFO L226 Difference]: Without dead ends: 427 [2022-10-16 14:38:05,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:05,311 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 37 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:05,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 253 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:05,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-10-16 14:38:05,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 414. [2022-10-16 14:38:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 385 states have (on average 1.1636363636363636) internal successors, (448), 413 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 448 transitions. [2022-10-16 14:38:05,341 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 448 transitions. Word has length 183 [2022-10-16 14:38:05,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:05,341 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 448 transitions. [2022-10-16 14:38:05,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 448 transitions. [2022-10-16 14:38:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:05,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:05,344 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:05,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 14:38:05,345 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:05,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 514955252, now seen corresponding path program 1 times [2022-10-16 14:38:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:05,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898886174] [2022-10-16 14:38:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:05,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-10-16 14:38:05,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:05,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898886174] [2022-10-16 14:38:05,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898886174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:05,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:05,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:05,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173191416] [2022-10-16 14:38:05,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:05,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:05,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:05,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:05,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:05,564 INFO L87 Difference]: Start difference. First operand 414 states and 448 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:05,621 INFO L93 Difference]: Finished difference Result 522 states and 572 transitions. [2022-10-16 14:38:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:05,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-10-16 14:38:05,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:05,624 INFO L225 Difference]: With dead ends: 522 [2022-10-16 14:38:05,624 INFO L226 Difference]: Without dead ends: 520 [2022-10-16 14:38:05,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:05,630 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 91 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:05,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 505 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:05,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-10-16 14:38:05,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 425. [2022-10-16 14:38:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 396 states have (on average 1.1666666666666667) internal successors, (462), 424 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 462 transitions. [2022-10-16 14:38:05,665 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 462 transitions. Word has length 183 [2022-10-16 14:38:05,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:05,666 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 462 transitions. [2022-10-16 14:38:05,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 462 transitions. [2022-10-16 14:38:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 14:38:05,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:05,669 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:05,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 14:38:05,670 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:05,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:05,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1831259984, now seen corresponding path program 1 times [2022-10-16 14:38:05,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:05,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165735741] [2022-10-16 14:38:05,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:05,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:06,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:06,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165735741] [2022-10-16 14:38:06,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165735741] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:06,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902911745] [2022-10-16 14:38:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:06,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:06,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:06,054 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:06,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:38:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:06,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:38:06,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:06,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 454 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:38:06,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902911745] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:06,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:06,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2022-10-16 14:38:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537887334] [2022-10-16 14:38:06,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:06,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 14:38:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:06,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 14:38:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:38:06,955 INFO L87 Difference]: Start difference. First operand 425 states and 462 transitions. Second operand has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:07,130 INFO L93 Difference]: Finished difference Result 911 states and 989 transitions. [2022-10-16 14:38:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:38:07,130 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-10-16 14:38:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:07,134 INFO L225 Difference]: With dead ends: 911 [2022-10-16 14:38:07,134 INFO L226 Difference]: Without dead ends: 765 [2022-10-16 14:38:07,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:38:07,135 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 222 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:07,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 774 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:07,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-10-16 14:38:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2022-10-16 14:38:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 736 states have (on average 1.1059782608695652) internal successors, (814), 764 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 814 transitions. [2022-10-16 14:38:07,181 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 814 transitions. Word has length 183 [2022-10-16 14:38:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:07,182 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 814 transitions. [2022-10-16 14:38:07,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.764705882352942) internal successors, (149), 17 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 814 transitions. [2022-10-16 14:38:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-10-16 14:38:07,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:07,190 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:07,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:07,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:07,404 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:07,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1817960005, now seen corresponding path program 2 times [2022-10-16 14:38:07,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:07,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951107025] [2022-10-16 14:38:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:07,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 2806 proven. 502 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2022-10-16 14:38:08,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:08,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951107025] [2022-10-16 14:38:08,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951107025] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:08,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69323761] [2022-10-16 14:38:08,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:08,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:08,109 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:08,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:38:08,290 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:08,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:08,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:08,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:08,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:08,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69323761] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:08,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:08,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 14 [2022-10-16 14:38:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830368161] [2022-10-16 14:38:08,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:08,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:38:08,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:08,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:38:08,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:38:08,417 INFO L87 Difference]: Start difference. First operand 765 states and 814 transitions. Second operand has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:08,803 INFO L93 Difference]: Finished difference Result 1253 states and 1345 transitions. [2022-10-16 14:38:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:38:08,804 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 423 [2022-10-16 14:38:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:08,808 INFO L225 Difference]: With dead ends: 1253 [2022-10-16 14:38:08,808 INFO L226 Difference]: Without dead ends: 755 [2022-10-16 14:38:08,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 841 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:38:08,809 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 584 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:08,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 721 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-10-16 14:38:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 723. [2022-10-16 14:38:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 695 states have (on average 1.102158273381295) internal successors, (766), 722 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 766 transitions. [2022-10-16 14:38:08,857 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 766 transitions. Word has length 423 [2022-10-16 14:38:08,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:08,858 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 766 transitions. [2022-10-16 14:38:08,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.928571428571429) internal successors, (153), 14 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 766 transitions. [2022-10-16 14:38:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-10-16 14:38:08,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:08,869 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:08,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-10-16 14:38:09,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 14:38:09,083 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1434268269, now seen corresponding path program 1 times [2022-10-16 14:38:09,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:09,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491384714] [2022-10-16 14:38:09,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2022-10-16 14:38:09,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:09,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491384714] [2022-10-16 14:38:09,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491384714] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:09,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934659069] [2022-10-16 14:38:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:09,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:09,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:09,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:09,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:38:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:09,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:38:09,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3499 proven. 8 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2022-10-16 14:38:10,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3255 proven. 252 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2022-10-16 14:38:10,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934659069] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:10,462 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:10,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 10] total 16 [2022-10-16 14:38:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722765176] [2022-10-16 14:38:10,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:10,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:38:10,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:10,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:38:10,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:38:10,465 INFO L87 Difference]: Start difference. First operand 723 states and 766 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:11,101 INFO L93 Difference]: Finished difference Result 1216 states and 1310 transitions. [2022-10-16 14:38:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:38:11,102 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 425 [2022-10-16 14:38:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:11,105 INFO L225 Difference]: With dead ends: 1216 [2022-10-16 14:38:11,105 INFO L226 Difference]: Without dead ends: 760 [2022-10-16 14:38:11,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 833 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:38:11,107 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 615 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:11,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 918 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:38:11,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-10-16 14:38:11,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 726. [2022-10-16 14:38:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 698 states have (on average 1.1275071633237823) internal successors, (787), 725 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 787 transitions. [2022-10-16 14:38:11,154 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 787 transitions. Word has length 425 [2022-10-16 14:38:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:11,154 INFO L495 AbstractCegarLoop]: Abstraction has 726 states and 787 transitions. [2022-10-16 14:38:11,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 16 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 787 transitions. [2022-10-16 14:38:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-10-16 14:38:11,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:11,163 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:11,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:11,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:11,378 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:11,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1125839816, now seen corresponding path program 1 times [2022-10-16 14:38:11,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:11,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000228502] [2022-10-16 14:38:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:11,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:11,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000228502] [2022-10-16 14:38:11,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000228502] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:11,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:11,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:11,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733122342] [2022-10-16 14:38:11,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:11,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:11,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:11,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:11,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:11,816 INFO L87 Difference]: Start difference. First operand 726 states and 787 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:11,886 INFO L93 Difference]: Finished difference Result 746 states and 809 transitions. [2022-10-16 14:38:11,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:11,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 425 [2022-10-16 14:38:11,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:11,891 INFO L225 Difference]: With dead ends: 746 [2022-10-16 14:38:11,891 INFO L226 Difference]: Without dead ends: 744 [2022-10-16 14:38:11,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:11,893 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 17 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:11,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 353 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-10-16 14:38:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 730. [2022-10-16 14:38:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 702 states have (on average 1.1282051282051282) internal successors, (792), 729 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 792 transitions. [2022-10-16 14:38:11,939 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 792 transitions. Word has length 425 [2022-10-16 14:38:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:11,940 INFO L495 AbstractCegarLoop]: Abstraction has 730 states and 792 transitions. [2022-10-16 14:38:11,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 792 transitions. [2022-10-16 14:38:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-10-16 14:38:11,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:11,943 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:11,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 14:38:11,944 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1089792845, now seen corresponding path program 1 times [2022-10-16 14:38:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:11,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720387500] [2022-10-16 14:38:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2022-10-16 14:38:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:12,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720387500] [2022-10-16 14:38:12,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720387500] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:12,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941098378] [2022-10-16 14:38:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:12,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:12,349 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:12,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:38:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:12,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:38:12,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 4375 proven. 28 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-10-16 14:38:13,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 3790 proven. 613 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-10-16 14:38:13,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941098378] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:13,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:13,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 14, 14] total 22 [2022-10-16 14:38:13,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881426551] [2022-10-16 14:38:13,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:13,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:38:13,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:13,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:38:13,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:38:13,688 INFO L87 Difference]: Start difference. First operand 730 states and 792 transitions. Second operand has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:14,515 INFO L93 Difference]: Finished difference Result 1091 states and 1194 transitions. [2022-10-16 14:38:14,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:38:14,516 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 426 [2022-10-16 14:38:14,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:14,519 INFO L225 Difference]: With dead ends: 1091 [2022-10-16 14:38:14,519 INFO L226 Difference]: Without dead ends: 744 [2022-10-16 14:38:14,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 827 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=970, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:38:14,521 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1002 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:14,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 1069 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:38:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-10-16 14:38:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 706. [2022-10-16 14:38:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 678 states have (on average 1.1194690265486726) internal successors, (759), 705 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 759 transitions. [2022-10-16 14:38:14,565 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 759 transitions. Word has length 426 [2022-10-16 14:38:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:14,566 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 759 transitions. [2022-10-16 14:38:14,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.818181818181818) internal successors, (216), 22 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 759 transitions. [2022-10-16 14:38:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-10-16 14:38:14,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:14,569 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:14,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-10-16 14:38:14,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:14,785 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:14,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:14,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1900044924, now seen corresponding path program 1 times [2022-10-16 14:38:14,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:14,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104605796] [2022-10-16 14:38:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:15,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:15,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104605796] [2022-10-16 14:38:15,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104605796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:15,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:15,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:38:15,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551895863] [2022-10-16 14:38:15,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:15,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:15,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:15,157 INFO L87 Difference]: Start difference. First operand 706 states and 759 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:15,264 INFO L93 Difference]: Finished difference Result 762 states and 822 transitions. [2022-10-16 14:38:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:15,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 426 [2022-10-16 14:38:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:15,269 INFO L225 Difference]: With dead ends: 762 [2022-10-16 14:38:15,269 INFO L226 Difference]: Without dead ends: 726 [2022-10-16 14:38:15,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:15,270 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 20 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:15,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 252 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-10-16 14:38:15,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 708. [2022-10-16 14:38:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 680 states have (on average 1.1205882352941177) internal successors, (762), 707 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 762 transitions. [2022-10-16 14:38:15,309 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 762 transitions. Word has length 426 [2022-10-16 14:38:15,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:15,310 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 762 transitions. [2022-10-16 14:38:15,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 762 transitions. [2022-10-16 14:38:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-10-16 14:38:15,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:15,313 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:15,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 14:38:15,314 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:15,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:15,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1264720480, now seen corresponding path program 1 times [2022-10-16 14:38:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:15,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922317316] [2022-10-16 14:38:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:15,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:15,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:15,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922317316] [2022-10-16 14:38:15,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922317316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:15,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:15,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:15,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797307026] [2022-10-16 14:38:15,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:15,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:15,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:15,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:15,918 INFO L87 Difference]: Start difference. First operand 708 states and 762 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:16,035 INFO L93 Difference]: Finished difference Result 742 states and 798 transitions. [2022-10-16 14:38:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:16,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 427 [2022-10-16 14:38:16,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:16,040 INFO L225 Difference]: With dead ends: 742 [2022-10-16 14:38:16,040 INFO L226 Difference]: Without dead ends: 723 [2022-10-16 14:38:16,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:38:16,041 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 224 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:16,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 165 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-10-16 14:38:16,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 708. [2022-10-16 14:38:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 680 states have (on average 1.1191176470588236) internal successors, (761), 707 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 761 transitions. [2022-10-16 14:38:16,090 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 761 transitions. Word has length 427 [2022-10-16 14:38:16,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:16,091 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 761 transitions. [2022-10-16 14:38:16,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 761 transitions. [2022-10-16 14:38:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-10-16 14:38:16,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:16,097 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:16,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 14:38:16,097 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:16,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1892040380, now seen corresponding path program 1 times [2022-10-16 14:38:16,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:16,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982005304] [2022-10-16 14:38:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5459 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5458 trivial. 0 not checked. [2022-10-16 14:38:16,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:16,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982005304] [2022-10-16 14:38:16,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982005304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:16,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:16,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:38:16,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612702963] [2022-10-16 14:38:16,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:16,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:16,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:16,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:16,702 INFO L87 Difference]: Start difference. First operand 708 states and 761 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:16,869 INFO L93 Difference]: Finished difference Result 913 states and 1000 transitions. [2022-10-16 14:38:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:38:16,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2022-10-16 14:38:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:16,874 INFO L225 Difference]: With dead ends: 913 [2022-10-16 14:38:16,875 INFO L226 Difference]: Without dead ends: 743 [2022-10-16 14:38:16,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:38:16,879 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 411 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:16,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 169 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:16,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-10-16 14:38:16,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 710. [2022-10-16 14:38:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 682 states have (on average 1.1187683284457477) internal successors, (763), 709 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 763 transitions. [2022-10-16 14:38:16,927 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 763 transitions. Word has length 429 [2022-10-16 14:38:16,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:16,927 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 763 transitions. [2022-10-16 14:38:16,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 763 transitions. [2022-10-16 14:38:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 14:38:16,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:16,931 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:16,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 14:38:16,931 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:16,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1883256071, now seen corresponding path program 1 times [2022-10-16 14:38:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:16,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696383098] [2022-10-16 14:38:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5457 trivial. 0 not checked. [2022-10-16 14:38:17,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:17,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696383098] [2022-10-16 14:38:17,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696383098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:17,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:17,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:38:17,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112893349] [2022-10-16 14:38:17,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:17,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:17,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:17,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:17,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:38:17,312 INFO L87 Difference]: Start difference. First operand 710 states and 763 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:17,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:17,485 INFO L93 Difference]: Finished difference Result 757 states and 807 transitions. [2022-10-16 14:38:17,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:38:17,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 435 [2022-10-16 14:38:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:17,491 INFO L225 Difference]: With dead ends: 757 [2022-10-16 14:38:17,491 INFO L226 Difference]: Without dead ends: 756 [2022-10-16 14:38:17,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:38:17,493 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 83 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:17,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 412 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:17,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-10-16 14:38:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 728. [2022-10-16 14:38:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 700 states have (on average 1.12) internal successors, (784), 727 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 784 transitions. [2022-10-16 14:38:17,556 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 784 transitions. Word has length 435 [2022-10-16 14:38:17,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:17,557 INFO L495 AbstractCegarLoop]: Abstraction has 728 states and 784 transitions. [2022-10-16 14:38:17,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 784 transitions. [2022-10-16 14:38:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-10-16 14:38:17,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:17,562 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:17,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 14:38:17,563 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:17,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:17,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1884702921, now seen corresponding path program 1 times [2022-10-16 14:38:17,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:17,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144966300] [2022-10-16 14:38:17,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:17,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2022-10-16 14:38:18,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144966300] [2022-10-16 14:38:18,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144966300] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:18,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604189017] [2022-10-16 14:38:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:18,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:18,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:18,069 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:18,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:38:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:18,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 14:38:18,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 4629 proven. 60 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2022-10-16 14:38:19,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 3557 proven. 1132 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2022-10-16 14:38:19,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604189017] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:19,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:19,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 29 [2022-10-16 14:38:19,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864130311] [2022-10-16 14:38:19,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:19,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-16 14:38:19,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:19,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-16 14:38:19,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:38:19,674 INFO L87 Difference]: Start difference. First operand 728 states and 784 transitions. Second operand has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:20,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:20,773 INFO L93 Difference]: Finished difference Result 1018 states and 1112 transitions. [2022-10-16 14:38:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 14:38:20,774 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 435 [2022-10-16 14:38:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:20,777 INFO L225 Difference]: With dead ends: 1018 [2022-10-16 14:38:20,777 INFO L226 Difference]: Without dead ends: 709 [2022-10-16 14:38:20,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 839 SyntacticMatches, 9 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=432, Invalid=2018, Unknown=0, NotChecked=0, Total=2450 [2022-10-16 14:38:20,780 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 269 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:20,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1231 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:38:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-10-16 14:38:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 706. [2022-10-16 14:38:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 678 states have (on average 1.1135693215339233) internal successors, (755), 705 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 755 transitions. [2022-10-16 14:38:20,826 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 755 transitions. Word has length 435 [2022-10-16 14:38:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:20,826 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 755 transitions. [2022-10-16 14:38:20,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.482758620689655) internal successors, (275), 29 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 755 transitions. [2022-10-16 14:38:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-10-16 14:38:20,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:20,830 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 25, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:20,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:21,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 14:38:21,044 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:21,045 INFO L85 PathProgramCache]: Analyzing trace with hash -273875023, now seen corresponding path program 1 times [2022-10-16 14:38:21,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:21,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648054492] [2022-10-16 14:38:21,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:22,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:22,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648054492] [2022-10-16 14:38:22,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648054492] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:22,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428046012] [2022-10-16 14:38:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:22,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:22,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:22,116 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:22,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:38:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:22,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:38:22,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:23,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5457 backedges. 0 proven. 4525 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2022-10-16 14:38:24,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428046012] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:24,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:24,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2022-10-16 14:38:24,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127237753] [2022-10-16 14:38:24,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:24,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 14:38:24,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:24,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 14:38:24,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:38:24,672 INFO L87 Difference]: Start difference. First operand 706 states and 755 transitions. Second operand has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:24,938 INFO L93 Difference]: Finished difference Result 1084 states and 1173 transitions. [2022-10-16 14:38:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:38:24,939 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 436 [2022-10-16 14:38:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:24,943 INFO L225 Difference]: With dead ends: 1084 [2022-10-16 14:38:24,943 INFO L226 Difference]: Without dead ends: 889 [2022-10-16 14:38:24,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 889 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=1185, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:38:24,945 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 381 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:24,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1217 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:38:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-10-16 14:38:24,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 798. [2022-10-16 14:38:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.1025974025974026) internal successors, (849), 797 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 849 transitions. [2022-10-16 14:38:25,000 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 849 transitions. Word has length 436 [2022-10-16 14:38:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:25,001 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 849 transitions. [2022-10-16 14:38:25,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 10.142857142857142) internal successors, (355), 35 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 849 transitions. [2022-10-16 14:38:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-10-16 14:38:25,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:25,005 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:25,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:25,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-10-16 14:38:25,218 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash 983107210, now seen corresponding path program 2 times [2022-10-16 14:38:25,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:25,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990460393] [2022-10-16 14:38:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:25,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 3641 proven. 3326 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-10-16 14:38:26,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990460393] [2022-10-16 14:38:26,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990460393] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448926946] [2022-10-16 14:38:26,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:26,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:26,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:26,746 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:26,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:38:27,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:27,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:27,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:27,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:27,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:27,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448926946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:27,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:27,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [22] total 25 [2022-10-16 14:38:27,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392928869] [2022-10-16 14:38:27,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:27,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:27,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:27,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:27,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:38:27,118 INFO L87 Difference]: Start difference. First operand 798 states and 849 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:27,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:27,294 INFO L93 Difference]: Finished difference Result 839 states and 889 transitions. [2022-10-16 14:38:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:27,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 516 [2022-10-16 14:38:27,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:27,300 INFO L225 Difference]: With dead ends: 839 [2022-10-16 14:38:27,300 INFO L226 Difference]: Without dead ends: 838 [2022-10-16 14:38:27,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2022-10-16 14:38:27,302 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 98 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:27,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 347 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-10-16 14:38:27,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 798. [2022-10-16 14:38:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.1012987012987012) internal successors, (848), 797 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 848 transitions. [2022-10-16 14:38:27,353 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 848 transitions. Word has length 516 [2022-10-16 14:38:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:27,354 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 848 transitions. [2022-10-16 14:38:27,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 848 transitions. [2022-10-16 14:38:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-10-16 14:38:27,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:27,359 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:27,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:27,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:27,572 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:27,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:27,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1488068077, now seen corresponding path program 1 times [2022-10-16 14:38:27,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:27,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136778144] [2022-10-16 14:38:27,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:27,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7908 trivial. 0 not checked. [2022-10-16 14:38:28,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:28,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136778144] [2022-10-16 14:38:28,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136778144] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:28,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511699955] [2022-10-16 14:38:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:28,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:28,306 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:28,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:38:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-16 14:38:28,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 6863 proven. 104 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-10-16 14:38:29,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7909 backedges. 5158 proven. 1809 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-10-16 14:38:30,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511699955] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:30,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:30,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 22, 22] total 36 [2022-10-16 14:38:30,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112413122] [2022-10-16 14:38:30,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:30,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:38:30,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:30,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:38:30,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1051, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:30,547 INFO L87 Difference]: Start difference. First operand 798 states and 848 transitions. Second operand has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:32,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:32,478 INFO L93 Difference]: Finished difference Result 1102 states and 1181 transitions. [2022-10-16 14:38:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-10-16 14:38:32,479 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 530 [2022-10-16 14:38:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:32,483 INFO L225 Difference]: With dead ends: 1102 [2022-10-16 14:38:32,483 INFO L226 Difference]: Without dead ends: 815 [2022-10-16 14:38:32,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1107 GetRequests, 1021 SyntacticMatches, 11 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1919 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1093, Invalid=4759, Unknown=0, NotChecked=0, Total=5852 [2022-10-16 14:38:32,486 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 1114 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:32,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1079 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 14:38:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2022-10-16 14:38:32,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 786. [2022-10-16 14:38:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 758 states have (on average 1.1002638522427441) internal successors, (834), 785 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 834 transitions. [2022-10-16 14:38:32,539 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 834 transitions. Word has length 530 [2022-10-16 14:38:32,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:32,539 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 834 transitions. [2022-10-16 14:38:32,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 9.63888888888889) internal successors, (347), 36 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 834 transitions. [2022-10-16 14:38:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-10-16 14:38:32,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:32,544 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:32,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:32,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:32,758 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:32,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:32,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1541004816, now seen corresponding path program 1 times [2022-10-16 14:38:32,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:32,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492083280] [2022-10-16 14:38:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:32,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:33,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492083280] [2022-10-16 14:38:33,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492083280] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:33,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190693144] [2022-10-16 14:38:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:33,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:33,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:33,544 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:33,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 14:38:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:34,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:38:34,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:34,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7921 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:35,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190693144] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:35,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:35,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-10-16 14:38:35,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15176278] [2022-10-16 14:38:35,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:35,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:35,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:35,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:35,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:35,444 INFO L87 Difference]: Start difference. First operand 786 states and 834 transitions. Second operand has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:35,975 INFO L93 Difference]: Finished difference Result 1009 states and 1090 transitions. [2022-10-16 14:38:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:38:35,978 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 530 [2022-10-16 14:38:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:35,982 INFO L225 Difference]: With dead ends: 1009 [2022-10-16 14:38:35,982 INFO L226 Difference]: Without dead ends: 830 [2022-10-16 14:38:35,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 1050 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=373, Invalid=887, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:35,991 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 808 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:35,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 475 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:38:35,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-10-16 14:38:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 798. [2022-10-16 14:38:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 770 states have (on average 1.0987012987012987) internal successors, (846), 797 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 846 transitions. [2022-10-16 14:38:36,044 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 846 transitions. Word has length 530 [2022-10-16 14:38:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:36,046 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 846 transitions. [2022-10-16 14:38:36,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.8) internal successors, (136), 20 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 846 transitions. [2022-10-16 14:38:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-10-16 14:38:36,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:36,051 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:36,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:36,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-10-16 14:38:36,257 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:36,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2042330460, now seen corresponding path program 2 times [2022-10-16 14:38:36,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:36,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601489856] [2022-10-16 14:38:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:36,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7920 trivial. 0 not checked. [2022-10-16 14:38:37,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:37,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601489856] [2022-10-16 14:38:37,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601489856] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:37,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001861546] [2022-10-16 14:38:37,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:37,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:37,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:37,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:37,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 14:38:37,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:37,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:37,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:38:37,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2022-10-16 14:38:38,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7926 trivial. 0 not checked. [2022-10-16 14:38:39,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001861546] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:39,117 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:39,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 20 [2022-10-16 14:38:39,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499878877] [2022-10-16 14:38:39,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:39,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:39,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:39,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:39,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:39,120 INFO L87 Difference]: Start difference. First operand 798 states and 846 transitions. Second operand has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:39,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:39,738 INFO L93 Difference]: Finished difference Result 1021 states and 1106 transitions. [2022-10-16 14:38:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 14:38:39,739 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 542 [2022-10-16 14:38:39,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:39,744 INFO L225 Difference]: With dead ends: 1021 [2022-10-16 14:38:39,744 INFO L226 Difference]: Without dead ends: 842 [2022-10-16 14:38:39,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1113 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=409, Invalid=923, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:38:39,746 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 905 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:39,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 465 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:39,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2022-10-16 14:38:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 790. [2022-10-16 14:38:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 763 states have (on average 1.0956749672346002) internal successors, (836), 789 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 836 transitions. [2022-10-16 14:38:39,799 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 836 transitions. Word has length 542 [2022-10-16 14:38:39,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:39,799 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 836 transitions. [2022-10-16 14:38:39,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.5) internal successors, (210), 20 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 836 transitions. [2022-10-16 14:38:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-10-16 14:38:39,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:39,804 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:39,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:40,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-10-16 14:38:40,017 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -939664356, now seen corresponding path program 1 times [2022-10-16 14:38:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:40,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911359912] [2022-10-16 14:38:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7960 trivial. 0 not checked. [2022-10-16 14:38:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:40,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911359912] [2022-10-16 14:38:40,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911359912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:40,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:40,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993444135] [2022-10-16 14:38:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:40,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:40,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:40,417 INFO L87 Difference]: Start difference. First operand 790 states and 836 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:40,477 INFO L93 Difference]: Finished difference Result 906 states and 969 transitions. [2022-10-16 14:38:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:40,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 550 [2022-10-16 14:38:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:40,481 INFO L225 Difference]: With dead ends: 906 [2022-10-16 14:38:40,481 INFO L226 Difference]: Without dead ends: 904 [2022-10-16 14:38:40,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:40,482 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 89 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:40,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 491 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:40,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2022-10-16 14:38:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 798. [2022-10-16 14:38:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 771 states have (on average 1.0972762645914398) internal successors, (846), 797 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 846 transitions. [2022-10-16 14:38:40,532 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 846 transitions. Word has length 550 [2022-10-16 14:38:40,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:40,533 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 846 transitions. [2022-10-16 14:38:40,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 846 transitions. [2022-10-16 14:38:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-10-16 14:38:40,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:40,537 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:40,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 14:38:40,538 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:40,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:40,538 INFO L85 PathProgramCache]: Analyzing trace with hash 908276163, now seen corresponding path program 1 times [2022-10-16 14:38:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:40,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465049885] [2022-10-16 14:38:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:40,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7962 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7950 trivial. 0 not checked. [2022-10-16 14:38:40,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:40,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465049885] [2022-10-16 14:38:40,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465049885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:40,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:40,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790868926] [2022-10-16 14:38:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:40,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:40,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:40,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:40,838 INFO L87 Difference]: Start difference. First operand 798 states and 846 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:40,938 INFO L93 Difference]: Finished difference Result 813 states and 862 transitions. [2022-10-16 14:38:40,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:40,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 551 [2022-10-16 14:38:40,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:40,942 INFO L225 Difference]: With dead ends: 813 [2022-10-16 14:38:40,942 INFO L226 Difference]: Without dead ends: 808 [2022-10-16 14:38:40,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:40,943 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 75 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:40,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 202 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2022-10-16 14:38:40,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 793. [2022-10-16 14:38:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 771 states have (on average 1.0894941634241244) internal successors, (840), 792 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 840 transitions. [2022-10-16 14:38:40,989 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 840 transitions. Word has length 551 [2022-10-16 14:38:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:40,989 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 840 transitions. [2022-10-16 14:38:40,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 840 transitions. [2022-10-16 14:38:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-10-16 14:38:40,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:40,993 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:40,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 14:38:40,993 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:40,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1908209795, now seen corresponding path program 1 times [2022-10-16 14:38:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:40,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29130915] [2022-10-16 14:38:40,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:40,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7951 trivial. 0 not checked. [2022-10-16 14:38:41,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:41,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29130915] [2022-10-16 14:38:41,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29130915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:41,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:38:41,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:38:41,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73268604] [2022-10-16 14:38:41,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:41,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:41,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:38:41,320 INFO L87 Difference]: Start difference. First operand 793 states and 840 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:41,405 INFO L93 Difference]: Finished difference Result 793 states and 840 transitions. [2022-10-16 14:38:41,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:41,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 552 [2022-10-16 14:38:41,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:41,409 INFO L225 Difference]: With dead ends: 793 [2022-10-16 14:38:41,410 INFO L226 Difference]: Without dead ends: 787 [2022-10-16 14:38:41,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:38:41,411 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 76 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:41,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 175 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-10-16 14:38:41,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 765. [2022-10-16 14:38:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 749 states have (on average 1.074766355140187) internal successors, (805), 764 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 805 transitions. [2022-10-16 14:38:41,463 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 805 transitions. Word has length 552 [2022-10-16 14:38:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:41,464 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 805 transitions. [2022-10-16 14:38:41,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 805 transitions. [2022-10-16 14:38:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-10-16 14:38:41,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:41,468 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:41,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 14:38:41,469 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:41,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:41,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1075817476, now seen corresponding path program 1 times [2022-10-16 14:38:41,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:41,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475006994] [2022-10-16 14:38:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:41,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:42,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:42,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475006994] [2022-10-16 14:38:42,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475006994] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:42,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258507720] [2022-10-16 14:38:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:42,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:42,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:42,584 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:42,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 14:38:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:43,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:38:43,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:43,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7976 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 7904 trivial. 0 not checked. [2022-10-16 14:38:44,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258507720] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:44,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:44,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:38:44,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260690518] [2022-10-16 14:38:44,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:44,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:38:44,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:44,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:38:44,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:38:44,658 INFO L87 Difference]: Start difference. First operand 765 states and 805 transitions. Second operand has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:45,321 INFO L93 Difference]: Finished difference Result 940 states and 1004 transitions. [2022-10-16 14:38:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 14:38:45,321 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 552 [2022-10-16 14:38:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:45,325 INFO L225 Difference]: With dead ends: 940 [2022-10-16 14:38:45,325 INFO L226 Difference]: Without dead ends: 800 [2022-10-16 14:38:45,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1082 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=603, Invalid=1947, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 14:38:45,327 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 749 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:45,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 812 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-10-16 14:38:45,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 771. [2022-10-16 14:38:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 755 states have (on average 1.0741721854304636) internal successors, (811), 770 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 811 transitions. [2022-10-16 14:38:45,366 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 811 transitions. Word has length 552 [2022-10-16 14:38:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:45,366 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 811 transitions. [2022-10-16 14:38:45,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.083333333333333) internal successors, (183), 36 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 811 transitions. [2022-10-16 14:38:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-10-16 14:38:45,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:45,371 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:45,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:45,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-10-16 14:38:45,584 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:45,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:45,586 INFO L85 PathProgramCache]: Analyzing trace with hash 776393366, now seen corresponding path program 2 times [2022-10-16 14:38:45,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:45,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961649952] [2022-10-16 14:38:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 7968 trivial. 0 not checked. [2022-10-16 14:38:46,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:46,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961649952] [2022-10-16 14:38:46,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961649952] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:46,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759209067] [2022-10-16 14:38:46,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:46,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:46,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:46,424 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:46,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 14:38:46,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:46,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:46,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:46,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8007 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 7976 trivial. 0 not checked. [2022-10-16 14:38:46,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:46,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759209067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:46,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:46,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2022-10-16 14:38:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88556982] [2022-10-16 14:38:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:46,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:38:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:38:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:46,931 INFO L87 Difference]: Start difference. First operand 771 states and 811 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:47,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:47,022 INFO L93 Difference]: Finished difference Result 771 states and 811 transitions. [2022-10-16 14:38:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:38:47,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 558 [2022-10-16 14:38:47,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:47,026 INFO L225 Difference]: With dead ends: 771 [2022-10-16 14:38:47,027 INFO L226 Difference]: Without dead ends: 770 [2022-10-16 14:38:47,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:47,028 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 73 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:47,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 235 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:38:47,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2022-10-16 14:38:47,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 764. [2022-10-16 14:38:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 749 states have (on average 1.069425901201602) internal successors, (801), 763 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 801 transitions. [2022-10-16 14:38:47,079 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 801 transitions. Word has length 558 [2022-10-16 14:38:47,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:47,079 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 801 transitions. [2022-10-16 14:38:47,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 801 transitions. [2022-10-16 14:38:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-10-16 14:38:47,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:47,083 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:47,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-10-16 14:38:47,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:47,284 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash 239302002, now seen corresponding path program 1 times [2022-10-16 14:38:47,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:47,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369629555] [2022-10-16 14:38:47,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-10-16 14:38:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:48,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369629555] [2022-10-16 14:38:48,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369629555] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:48,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446272213] [2022-10-16 14:38:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:48,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:48,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:48,008 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:48,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 14:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:48,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:38:48,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:49,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7990 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:50,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446272213] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:50,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:50,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-10-16 14:38:50,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490387884] [2022-10-16 14:38:50,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:50,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:38:50,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:50,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:38:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:38:50,278 INFO L87 Difference]: Start difference. First operand 764 states and 801 transitions. Second operand has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:52,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:52,105 INFO L93 Difference]: Finished difference Result 1214 states and 1320 transitions. [2022-10-16 14:38:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:38:52,106 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 560 [2022-10-16 14:38:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:52,111 INFO L225 Difference]: With dead ends: 1214 [2022-10-16 14:38:52,111 INFO L226 Difference]: Without dead ends: 1075 [2022-10-16 14:38:52,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1061, Invalid=3099, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 14:38:52,114 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 1740 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:52,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 641 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:38:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2022-10-16 14:38:52,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 958. [2022-10-16 14:38:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 943 states have (on average 1.0922587486744433) internal successors, (1030), 957 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1030 transitions. [2022-10-16 14:38:52,189 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1030 transitions. Word has length 560 [2022-10-16 14:38:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:52,190 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1030 transitions. [2022-10-16 14:38:52,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.3) internal successors, (206), 20 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1030 transitions. [2022-10-16 14:38:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2022-10-16 14:38:52,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:52,195 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:52,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:52,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-10-16 14:38:52,408 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:52,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1112796806, now seen corresponding path program 1 times [2022-10-16 14:38:52,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:52,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499179377] [2022-10-16 14:38:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:52,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:53,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:53,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499179377] [2022-10-16 14:38:53,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499179377] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:53,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233227901] [2022-10-16 14:38:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:53,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:53,388 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:53,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 14:38:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:54,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:38:54,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:55,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:38:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8102 backedges. 77 proven. 54 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-10-16 14:38:55,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233227901] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:38:55,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:38:55,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2022-10-16 14:38:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61582933] [2022-10-16 14:38:55,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:38:55,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:38:55,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:55,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:38:55,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:38:55,863 INFO L87 Difference]: Start difference. First operand 958 states and 1030 transitions. Second operand has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:56,545 INFO L93 Difference]: Finished difference Result 1350 states and 1482 transitions. [2022-10-16 14:38:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:38:56,545 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 600 [2022-10-16 14:38:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:56,550 INFO L225 Difference]: With dead ends: 1350 [2022-10-16 14:38:56,550 INFO L226 Difference]: Without dead ends: 1017 [2022-10-16 14:38:56,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1182 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=571, Invalid=1685, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:38:56,552 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 783 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:56,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 727 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:38:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-10-16 14:38:56,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 988. [2022-10-16 14:38:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 973 states have (on average 1.0894141829393629) internal successors, (1060), 987 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1060 transitions. [2022-10-16 14:38:56,640 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1060 transitions. Word has length 600 [2022-10-16 14:38:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:56,640 INFO L495 AbstractCegarLoop]: Abstraction has 988 states and 1060 transitions. [2022-10-16 14:38:56,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.09375) internal successors, (291), 32 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1060 transitions. [2022-10-16 14:38:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-10-16 14:38:56,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:56,645 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:56,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:56,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:56,861 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:56,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:56,863 INFO L85 PathProgramCache]: Analyzing trace with hash 111797178, now seen corresponding path program 2 times [2022-10-16 14:38:56,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:56,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784905494] [2022-10-16 14:38:56,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:56,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8245 backedges. 25 proven. 72 refuted. 0 times theorem prover too weak. 8148 trivial. 0 not checked. [2022-10-16 14:38:57,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784905494] [2022-10-16 14:38:57,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784905494] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225105188] [2022-10-16 14:38:57,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:38:57,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:57,391 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:57,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 14:38:57,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:38:57,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:38:57,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:38:57,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8245 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8155 trivial. 0 not checked. [2022-10-16 14:38:57,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:57,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225105188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:57,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:57,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-10-16 14:38:57,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509232158] [2022-10-16 14:38:57,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:57,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:38:57,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:57,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:38:57,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:38:57,988 INFO L87 Difference]: Start difference. First operand 988 states and 1060 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:58,137 INFO L93 Difference]: Finished difference Result 988 states and 1060 transitions. [2022-10-16 14:38:58,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:38:58,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 630 [2022-10-16 14:38:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:58,145 INFO L225 Difference]: With dead ends: 988 [2022-10-16 14:38:58,145 INFO L226 Difference]: Without dead ends: 987 [2022-10-16 14:38:58,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:38:58,148 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 135 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:58,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 193 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-10-16 14:38:58,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 987. [2022-10-16 14:38:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 973 states have (on average 1.08016443987667) internal successors, (1051), 986 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1051 transitions. [2022-10-16 14:38:58,232 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1051 transitions. Word has length 630 [2022-10-16 14:38:58,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:38:58,233 INFO L495 AbstractCegarLoop]: Abstraction has 987 states and 1051 transitions. [2022-10-16 14:38:58,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1051 transitions. [2022-10-16 14:38:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2022-10-16 14:38:58,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:38:58,238 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:38:58,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-10-16 14:38:58,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2022-10-16 14:38:58,452 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:38:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:38:58,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1917684806, now seen corresponding path program 1 times [2022-10-16 14:38:58,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:38:58,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109736341] [2022-10-16 14:38:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:58,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:38:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 8210 trivial. 0 not checked. [2022-10-16 14:38:58,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:38:58,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109736341] [2022-10-16 14:38:58,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109736341] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:38:58,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681913603] [2022-10-16 14:38:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:38:58,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:38:58,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:38:58,880 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:38:58,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 14:38:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:38:59,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:38:59,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:38:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8280 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8152 trivial. 0 not checked. [2022-10-16 14:38:59,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:38:59,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681913603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:38:59,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:38:59,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 14:38:59,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351190774] [2022-10-16 14:38:59,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:38:59,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:38:59,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:38:59,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:38:59,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:38:59,803 INFO L87 Difference]: Start difference. First operand 987 states and 1051 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:38:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:38:59,964 INFO L93 Difference]: Finished difference Result 1241 states and 1333 transitions. [2022-10-16 14:38:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:38:59,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 635 [2022-10-16 14:38:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:38:59,969 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 14:38:59,969 INFO L226 Difference]: Without dead ends: 879 [2022-10-16 14:38:59,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:38:59,970 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 86 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:38:59,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 304 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:38:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-16 14:39:00,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 844. [2022-10-16 14:39:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 830 states have (on average 1.0566265060240965) internal successors, (877), 843 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 877 transitions. [2022-10-16 14:39:00,037 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 877 transitions. Word has length 635 [2022-10-16 14:39:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:00,038 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 877 transitions. [2022-10-16 14:39:00,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 877 transitions. [2022-10-16 14:39:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-10-16 14:39:00,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:00,043 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:00,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:00,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:00,256 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:00,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1410938366, now seen corresponding path program 1 times [2022-10-16 14:39:00,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:00,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7625092] [2022-10-16 14:39:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 8211 trivial. 0 not checked. [2022-10-16 14:39:00,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:00,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7625092] [2022-10-16 14:39:00,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7625092] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:00,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111484036] [2022-10-16 14:39:00,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:00,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:00,681 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:00,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-16 14:39:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:01,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:39:01,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 83 proven. 45 refuted. 0 times theorem prover too weak. 8153 trivial. 0 not checked. [2022-10-16 14:39:02,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8281 backedges. 83 proven. 45 refuted. 0 times theorem prover too weak. 8153 trivial. 0 not checked. [2022-10-16 14:39:03,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111484036] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:03,484 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:03,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 22 [2022-10-16 14:39:03,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414230085] [2022-10-16 14:39:03,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:03,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:39:03,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:03,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:39:03,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:39:03,486 INFO L87 Difference]: Start difference. First operand 844 states and 877 transitions. Second operand has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:05,320 INFO L93 Difference]: Finished difference Result 1286 states and 1381 transitions. [2022-10-16 14:39:05,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-16 14:39:05,320 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 639 [2022-10-16 14:39:05,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:05,323 INFO L225 Difference]: With dead ends: 1286 [2022-10-16 14:39:05,323 INFO L226 Difference]: Without dead ends: 1173 [2022-10-16 14:39:05,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1279 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1861 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1404, Invalid=4916, Unknown=0, NotChecked=0, Total=6320 [2022-10-16 14:39:05,325 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 2104 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:05,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 750 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:39:05,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-10-16 14:39:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1016. [2022-10-16 14:39:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 1002 states have (on average 1.0748502994011977) internal successors, (1077), 1015 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1077 transitions. [2022-10-16 14:39:05,407 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1077 transitions. Word has length 639 [2022-10-16 14:39:05,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:05,408 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1077 transitions. [2022-10-16 14:39:05,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.318181818181818) internal successors, (249), 22 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1077 transitions. [2022-10-16 14:39:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-10-16 14:39:05,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:05,413 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:05,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:05,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:05,627 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:05,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:05,628 INFO L85 PathProgramCache]: Analyzing trace with hash 65562701, now seen corresponding path program 1 times [2022-10-16 14:39:05,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:05,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179283185] [2022-10-16 14:39:05,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:05,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:06,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179283185] [2022-10-16 14:39:06,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179283185] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:06,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850383264] [2022-10-16 14:39:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:06,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:06,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:06,605 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:06,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-16 14:39:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:07,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:07,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:08,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:09,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8392 backedges. 88 proven. 148 refuted. 0 times theorem prover too weak. 8156 trivial. 0 not checked. [2022-10-16 14:39:09,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850383264] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:09,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:09,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:39:09,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148124335] [2022-10-16 14:39:09,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:09,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:39:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:09,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:39:09,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:39:09,581 INFO L87 Difference]: Start difference. First operand 1016 states and 1077 transitions. Second operand has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:10,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:10,484 INFO L93 Difference]: Finished difference Result 1369 states and 1479 transitions. [2022-10-16 14:39:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:39:10,485 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 662 [2022-10-16 14:39:10,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:10,488 INFO L225 Difference]: With dead ends: 1369 [2022-10-16 14:39:10,488 INFO L226 Difference]: Without dead ends: 1106 [2022-10-16 14:39:10,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1301 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=680, Invalid=2400, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:39:10,490 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 1172 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:10,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 927 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-10-16 14:39:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1027. [2022-10-16 14:39:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1013 states have (on average 1.0740375123395853) internal successors, (1088), 1026 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1088 transitions. [2022-10-16 14:39:10,571 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1088 transitions. Word has length 662 [2022-10-16 14:39:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:10,572 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1088 transitions. [2022-10-16 14:39:10,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.11111111111111) internal successors, (292), 36 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1088 transitions. [2022-10-16 14:39:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2022-10-16 14:39:10,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:10,578 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:10,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:10,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:10,793 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:10,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:10,794 INFO L85 PathProgramCache]: Analyzing trace with hash 221736599, now seen corresponding path program 2 times [2022-10-16 14:39:10,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:10,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299441208] [2022-10-16 14:39:10,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 70 proven. 6 refuted. 0 times theorem prover too weak. 8388 trivial. 0 not checked. [2022-10-16 14:39:11,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:11,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299441208] [2022-10-16 14:39:11,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299441208] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:11,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625849203] [2022-10-16 14:39:11,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:11,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:11,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:11,276 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:11,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-10-16 14:39:12,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:39:12,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:12,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:12,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 8464 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8423 trivial. 0 not checked. [2022-10-16 14:39:12,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:39:12,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625849203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:12,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:39:12,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 14:39:12,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392028192] [2022-10-16 14:39:12,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:12,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:39:12,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:12,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:39:12,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:39:12,150 INFO L87 Difference]: Start difference. First operand 1027 states and 1088 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:12,232 INFO L93 Difference]: Finished difference Result 1027 states and 1088 transitions. [2022-10-16 14:39:12,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:39:12,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 673 [2022-10-16 14:39:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:12,234 INFO L225 Difference]: With dead ends: 1027 [2022-10-16 14:39:12,234 INFO L226 Difference]: Without dead ends: 1026 [2022-10-16 14:39:12,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:39:12,235 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 76 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:12,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 281 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2022-10-16 14:39:12,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1021. [2022-10-16 14:39:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 1008 states have (on average 1.070436507936508) internal successors, (1079), 1020 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1079 transitions. [2022-10-16 14:39:12,318 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1079 transitions. Word has length 673 [2022-10-16 14:39:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:12,319 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1079 transitions. [2022-10-16 14:39:12,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1079 transitions. [2022-10-16 14:39:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-10-16 14:39:12,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:12,323 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 10, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:12,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:12,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2022-10-16 14:39:12,537 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:12,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:12,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1496736332, now seen corresponding path program 1 times [2022-10-16 14:39:12,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:12,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689309367] [2022-10-16 14:39:12,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:12,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 8608 trivial. 0 not checked. [2022-10-16 14:39:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:13,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689309367] [2022-10-16 14:39:13,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689309367] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:13,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346392302] [2022-10-16 14:39:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:13,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:13,062 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:13,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-10-16 14:39:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:13,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:39:13,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 403 proven. 1 refuted. 0 times theorem prover too weak. 8243 trivial. 0 not checked. [2022-10-16 14:39:14,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 358 proven. 46 refuted. 0 times theorem prover too weak. 8243 trivial. 0 not checked. [2022-10-16 14:39:14,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346392302] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:14,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:14,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2022-10-16 14:39:14,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88337790] [2022-10-16 14:39:14,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:14,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 14:39:14,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 14:39:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:39:14,530 INFO L87 Difference]: Start difference. First operand 1021 states and 1079 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:15,134 INFO L93 Difference]: Finished difference Result 1308 states and 1408 transitions. [2022-10-16 14:39:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:39:15,136 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 708 [2022-10-16 14:39:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:15,139 INFO L225 Difference]: With dead ends: 1308 [2022-10-16 14:39:15,139 INFO L226 Difference]: Without dead ends: 1074 [2022-10-16 14:39:15,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1436 GetRequests, 1407 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:39:15,140 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 182 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:15,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1112 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-10-16 14:39:15,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 954. [2022-10-16 14:39:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 941 states have (on average 1.0616365568544102) internal successors, (999), 953 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 999 transitions. [2022-10-16 14:39:15,219 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 999 transitions. Word has length 708 [2022-10-16 14:39:15,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:15,219 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 999 transitions. [2022-10-16 14:39:15,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 999 transitions. [2022-10-16 14:39:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2022-10-16 14:39:15,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:15,223 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:15,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:15,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:15,424 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:15,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:15,425 INFO L85 PathProgramCache]: Analyzing trace with hash -17698114, now seen corresponding path program 1 times [2022-10-16 14:39:15,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:15,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738617693] [2022-10-16 14:39:15,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8680 trivial. 0 not checked. [2022-10-16 14:39:15,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:15,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738617693] [2022-10-16 14:39:15,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738617693] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:15,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464186057] [2022-10-16 14:39:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:15,965 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:15,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-10-16 14:39:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:16,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:39:16,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 15 proven. 426 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2022-10-16 14:39:18,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8690 backedges. 15 proven. 426 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2022-10-16 14:39:19,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464186057] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:19,218 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:19,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 12, 12] total 25 [2022-10-16 14:39:19,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690440569] [2022-10-16 14:39:19,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:19,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-16 14:39:19,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:19,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-16 14:39:19,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2022-10-16 14:39:19,220 INFO L87 Difference]: Start difference. First operand 954 states and 999 transitions. Second operand has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:20,451 INFO L93 Difference]: Finished difference Result 1271 states and 1353 transitions. [2022-10-16 14:39:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 14:39:20,452 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 710 [2022-10-16 14:39:20,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:20,454 INFO L225 Difference]: With dead ends: 1271 [2022-10-16 14:39:20,454 INFO L226 Difference]: Without dead ends: 1126 [2022-10-16 14:39:20,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1453 GetRequests, 1399 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=845, Invalid=2235, Unknown=0, NotChecked=0, Total=3080 [2022-10-16 14:39:20,455 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1640 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:20,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1640 Valid, 671 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2022-10-16 14:39:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1050. [2022-10-16 14:39:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1038 states have (on average 1.0597302504816957) internal successors, (1100), 1049 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1100 transitions. [2022-10-16 14:39:20,521 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1100 transitions. Word has length 710 [2022-10-16 14:39:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:20,521 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 1100 transitions. [2022-10-16 14:39:20,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1100 transitions. [2022-10-16 14:39:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2022-10-16 14:39:20,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:20,526 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 13, 13, 13, 13, 13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:20,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:20,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:20,727 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:20,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1991616653, now seen corresponding path program 1 times [2022-10-16 14:39:20,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:20,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802430855] [2022-10-16 14:39:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9201 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 9157 trivial. 0 not checked. [2022-10-16 14:39:21,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:21,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802430855] [2022-10-16 14:39:21,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802430855] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:21,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122988303] [2022-10-16 14:39:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:21,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:21,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:21,258 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:21,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-10-16 14:39:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:22,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:39:22,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9201 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9157 trivial. 0 not checked. [2022-10-16 14:39:22,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:39:22,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122988303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:22,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:39:22,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:39:22,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402734450] [2022-10-16 14:39:22,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:22,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:39:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:22,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:39:22,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:39:22,247 INFO L87 Difference]: Start difference. First operand 1050 states and 1100 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:22,375 INFO L93 Difference]: Finished difference Result 1054 states and 1104 transitions. [2022-10-16 14:39:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:39:22,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763 [2022-10-16 14:39:22,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:22,378 INFO L225 Difference]: With dead ends: 1054 [2022-10-16 14:39:22,378 INFO L226 Difference]: Without dead ends: 1053 [2022-10-16 14:39:22,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:39:22,379 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 22 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:22,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 519 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:22,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2022-10-16 14:39:22,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1049. [2022-10-16 14:39:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 1038 states have (on average 1.056840077071291) internal successors, (1097), 1048 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1097 transitions. [2022-10-16 14:39:22,451 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1097 transitions. Word has length 763 [2022-10-16 14:39:22,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:22,451 INFO L495 AbstractCegarLoop]: Abstraction has 1049 states and 1097 transitions. [2022-10-16 14:39:22,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1097 transitions. [2022-10-16 14:39:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2022-10-16 14:39:22,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:22,456 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 13, 13, 13, 13, 13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:22,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:22,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-10-16 14:39:22,658 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1573628616, now seen corresponding path program 2 times [2022-10-16 14:39:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:22,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556567525] [2022-10-16 14:39:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 13 proven. 719 refuted. 0 times theorem prover too weak. 8491 trivial. 0 not checked. [2022-10-16 14:39:23,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:23,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556567525] [2022-10-16 14:39:23,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556567525] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:23,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203727662] [2022-10-16 14:39:23,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:23,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:23,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:23,585 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:23,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-10-16 14:39:24,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:24,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:24,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:24,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 9141 trivial. 0 not checked. [2022-10-16 14:39:24,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9223 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 9141 trivial. 0 not checked. [2022-10-16 14:39:24,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203727662] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:24,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:24,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 18 [2022-10-16 14:39:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560439746] [2022-10-16 14:39:24,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:24,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:39:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:24,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:39:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:39:24,452 INFO L87 Difference]: Start difference. First operand 1049 states and 1097 transitions. Second operand has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:25,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:25,158 INFO L93 Difference]: Finished difference Result 1287 states and 1359 transitions. [2022-10-16 14:39:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-16 14:39:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 766 [2022-10-16 14:39:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:25,161 INFO L225 Difference]: With dead ends: 1287 [2022-10-16 14:39:25,161 INFO L226 Difference]: Without dead ends: 1108 [2022-10-16 14:39:25,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1567 GetRequests, 1529 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:39:25,163 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 389 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:25,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 927 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:39:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2022-10-16 14:39:25,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1038. [2022-10-16 14:39:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1028 states have (on average 1.051556420233463) internal successors, (1081), 1037 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1081 transitions. [2022-10-16 14:39:25,232 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1081 transitions. Word has length 766 [2022-10-16 14:39:25,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:25,232 INFO L495 AbstractCegarLoop]: Abstraction has 1038 states and 1081 transitions. [2022-10-16 14:39:25,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.277777777777779) internal successors, (185), 18 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1081 transitions. [2022-10-16 14:39:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2022-10-16 14:39:25,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:25,237 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 16, 16, 16, 16, 15, 15, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:25,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-10-16 14:39:25,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-10-16 14:39:25,438 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash -301584984, now seen corresponding path program 2 times [2022-10-16 14:39:25,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:25,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196442277] [2022-10-16 14:39:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 458 proven. 659 refuted. 0 times theorem prover too weak. 8513 trivial. 0 not checked. [2022-10-16 14:39:26,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:26,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196442277] [2022-10-16 14:39:26,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196442277] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:26,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368581731] [2022-10-16 14:39:26,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:26,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:26,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:26,353 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:26,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-10-16 14:39:27,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:27,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:27,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:39:27,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 279 proven. 8 refuted. 0 times theorem prover too weak. 9343 trivial. 0 not checked. [2022-10-16 14:39:27,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9630 backedges. 279 proven. 8 refuted. 0 times theorem prover too weak. 9343 trivial. 0 not checked. [2022-10-16 14:39:27,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368581731] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:27,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:27,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2022-10-16 14:39:27,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479397894] [2022-10-16 14:39:27,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:27,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:39:27,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:27,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:39:27,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:39:27,241 INFO L87 Difference]: Start difference. First operand 1038 states and 1081 transitions. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:27,818 INFO L93 Difference]: Finished difference Result 1222 states and 1284 transitions. [2022-10-16 14:39:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:39:27,818 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 798 [2022-10-16 14:39:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:27,820 INFO L225 Difference]: With dead ends: 1222 [2022-10-16 14:39:27,820 INFO L226 Difference]: Without dead ends: 1056 [2022-10-16 14:39:27,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1622 GetRequests, 1592 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:39:27,821 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 167 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:27,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 799 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:39:27,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-10-16 14:39:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1029. [2022-10-16 14:39:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1020 states have (on average 1.0470588235294118) internal successors, (1068), 1028 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1068 transitions. [2022-10-16 14:39:27,888 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1068 transitions. Word has length 798 [2022-10-16 14:39:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:27,889 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1068 transitions. [2022-10-16 14:39:27,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1068 transitions. [2022-10-16 14:39:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2022-10-16 14:39:27,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:27,894 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:27,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:28,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:28,100 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:28,101 INFO L85 PathProgramCache]: Analyzing trace with hash -984762565, now seen corresponding path program 1 times [2022-10-16 14:39:28,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:28,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608122061] [2022-10-16 14:39:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:28,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10369 trivial. 0 not checked. [2022-10-16 14:39:28,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:28,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608122061] [2022-10-16 14:39:28,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608122061] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:28,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296911904] [2022-10-16 14:39:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:28,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:28,742 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:28,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-10-16 14:39:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:29,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 1978 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:29,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 834 proven. 894 refuted. 0 times theorem prover too weak. 8644 trivial. 0 not checked. [2022-10-16 14:39:31,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10372 backedges. 834 proven. 894 refuted. 0 times theorem prover too weak. 8644 trivial. 0 not checked. [2022-10-16 14:39:32,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296911904] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:32,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:32,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 14] total 28 [2022-10-16 14:39:32,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145770516] [2022-10-16 14:39:32,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:32,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:39:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:32,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:39:32,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:39:32,767 INFO L87 Difference]: Start difference. First operand 1029 states and 1068 transitions. Second operand has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:33,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:33,865 INFO L93 Difference]: Finished difference Result 1243 states and 1299 transitions. [2022-10-16 14:39:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 14:39:33,865 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 863 [2022-10-16 14:39:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:33,867 INFO L225 Difference]: With dead ends: 1243 [2022-10-16 14:39:33,867 INFO L226 Difference]: Without dead ends: 1106 [2022-10-16 14:39:33,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1765 GetRequests, 1707 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=699, Invalid=2607, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:39:33,869 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1555 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:33,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 723 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-10-16 14:39:33,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1048. [2022-10-16 14:39:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1039 states have (on average 1.0461982675649664) internal successors, (1087), 1047 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1087 transitions. [2022-10-16 14:39:33,937 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1087 transitions. Word has length 863 [2022-10-16 14:39:33,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:33,937 INFO L495 AbstractCegarLoop]: Abstraction has 1048 states and 1087 transitions. [2022-10-16 14:39:33,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.142857142857142) internal successors, (340), 28 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1087 transitions. [2022-10-16 14:39:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2022-10-16 14:39:33,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:33,944 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:33,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:34,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:34,145 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:34,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1567675523, now seen corresponding path program 1 times [2022-10-16 14:39:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:34,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468273230] [2022-10-16 14:39:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10535 trivial. 0 not checked. [2022-10-16 14:39:34,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:34,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468273230] [2022-10-16 14:39:34,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468273230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:39:34,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:39:34,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:39:34,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441041361] [2022-10-16 14:39:34,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:39:34,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:39:34,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:34,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:39:34,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:39:34,691 INFO L87 Difference]: Start difference. First operand 1048 states and 1087 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:34,794 INFO L93 Difference]: Finished difference Result 1054 states and 1093 transitions. [2022-10-16 14:39:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:39:34,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 879 [2022-10-16 14:39:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:34,798 INFO L225 Difference]: With dead ends: 1054 [2022-10-16 14:39:34,798 INFO L226 Difference]: Without dead ends: 1052 [2022-10-16 14:39:34,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:39:34,799 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 3 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:34,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 258 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:39:34,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-10-16 14:39:34,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-10-16 14:39:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1043 states have (on average 1.0460210930009588) internal successors, (1091), 1051 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1091 transitions. [2022-10-16 14:39:34,865 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1091 transitions. Word has length 879 [2022-10-16 14:39:34,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:34,865 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1091 transitions. [2022-10-16 14:39:34,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1091 transitions. [2022-10-16 14:39:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2022-10-16 14:39:34,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:34,871 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:34,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 14:39:34,871 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:34,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:34,872 INFO L85 PathProgramCache]: Analyzing trace with hash 225291769, now seen corresponding path program 1 times [2022-10-16 14:39:34,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:34,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933900713] [2022-10-16 14:39:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:34,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10535 trivial. 0 not checked. [2022-10-16 14:39:35,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933900713] [2022-10-16 14:39:35,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933900713] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33361097] [2022-10-16 14:39:35,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:35,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:35,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:35,512 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:35,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-10-16 14:39:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:36,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:39:36,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 1868 proven. 8 refuted. 0 times theorem prover too weak. 8665 trivial. 0 not checked. [2022-10-16 14:39:37,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10541 backedges. 1672 proven. 204 refuted. 0 times theorem prover too weak. 8665 trivial. 0 not checked. [2022-10-16 14:39:37,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33361097] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:37,708 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:37,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 20 [2022-10-16 14:39:37,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111892743] [2022-10-16 14:39:37,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:37,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:39:37,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:37,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:39:37,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:39:37,711 INFO L87 Difference]: Start difference. First operand 1052 states and 1091 transitions. Second operand has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:38,399 INFO L93 Difference]: Finished difference Result 1232 states and 1288 transitions. [2022-10-16 14:39:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 14:39:38,399 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 885 [2022-10-16 14:39:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:38,402 INFO L225 Difference]: With dead ends: 1232 [2022-10-16 14:39:38,402 INFO L226 Difference]: Without dead ends: 1105 [2022-10-16 14:39:38,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1751 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=789, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:39:38,403 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 168 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:38,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 901 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:39:38,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-10-16 14:39:38,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1072. [2022-10-16 14:39:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1063 states have (on average 1.046095954844779) internal successors, (1112), 1071 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1112 transitions. [2022-10-16 14:39:38,481 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1112 transitions. Word has length 885 [2022-10-16 14:39:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:38,481 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 1112 transitions. [2022-10-16 14:39:38,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.0) internal successors, (240), 20 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1112 transitions. [2022-10-16 14:39:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2022-10-16 14:39:38,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:38,488 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 22, 22, 22, 22, 22, 22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:38,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:38,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:38,689 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:38,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:38,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1162431987, now seen corresponding path program 1 times [2022-10-16 14:39:38,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:38,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822165170] [2022-10-16 14:39:38,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:38,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 10932 trivial. 0 not checked. [2022-10-16 14:39:39,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:39,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822165170] [2022-10-16 14:39:39,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822165170] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:39,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048903337] [2022-10-16 14:39:39,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:39,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:39,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:39,307 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:39,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-10-16 14:39:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:40,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:39:40,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 0 proven. 2064 refuted. 0 times theorem prover too weak. 8880 trivial. 0 not checked. [2022-10-16 14:39:42,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10944 backedges. 0 proven. 2064 refuted. 0 times theorem prover too weak. 8880 trivial. 0 not checked. [2022-10-16 14:39:43,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048903337] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:43,792 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:43,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 24 [2022-10-16 14:39:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917534649] [2022-10-16 14:39:43,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:43,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:39:43,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:39:43,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:39:43,794 INFO L87 Difference]: Start difference. First operand 1072 states and 1112 transitions. Second operand has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:44,638 INFO L93 Difference]: Finished difference Result 1256 states and 1315 transitions. [2022-10-16 14:39:44,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:39:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 906 [2022-10-16 14:39:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:44,641 INFO L225 Difference]: With dead ends: 1256 [2022-10-16 14:39:44,641 INFO L226 Difference]: Without dead ends: 1203 [2022-10-16 14:39:44,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1848 GetRequests, 1804 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=470, Invalid=1600, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:39:44,642 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 1174 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:44,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 558 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:39:44,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-10-16 14:39:44,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1163. [2022-10-16 14:39:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1154 states have (on average 1.0493934142114385) internal successors, (1211), 1162 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1211 transitions. [2022-10-16 14:39:44,724 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1211 transitions. Word has length 906 [2022-10-16 14:39:44,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:44,725 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1211 transitions. [2022-10-16 14:39:44,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 15.875) internal successors, (381), 24 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1211 transitions. [2022-10-16 14:39:44,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2022-10-16 14:39:44,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:44,732 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:44,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:44,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2022-10-16 14:39:44,933 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:44,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:44,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1108232691, now seen corresponding path program 2 times [2022-10-16 14:39:44,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:44,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328970345] [2022-10-16 14:39:44,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:44,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12740 trivial. 0 not checked. [2022-10-16 14:39:45,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:45,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328970345] [2022-10-16 14:39:45,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328970345] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:45,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338473763] [2022-10-16 14:39:45,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:45,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:45,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:45,610 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:45,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-10-16 14:39:46,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:39:46,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:46,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:39:46,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12741 trivial. 0 not checked. [2022-10-16 14:39:47,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12751 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12741 trivial. 0 not checked. [2022-10-16 14:39:49,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338473763] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:49,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:49,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-10-16 14:39:49,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262572165] [2022-10-16 14:39:49,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:49,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:39:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:39:49,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:39:49,500 INFO L87 Difference]: Start difference. First operand 1163 states and 1211 transitions. Second operand has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:49,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:49,933 INFO L93 Difference]: Finished difference Result 1199 states and 1252 transitions. [2022-10-16 14:39:49,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:39:49,933 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1019 [2022-10-16 14:39:49,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:49,936 INFO L225 Difference]: With dead ends: 1199 [2022-10-16 14:39:49,936 INFO L226 Difference]: Without dead ends: 1198 [2022-10-16 14:39:49,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2053 GetRequests, 2032 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:39:49,937 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 397 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:49,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 337 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:39:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-10-16 14:39:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1162. [2022-10-16 14:39:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1154 states have (on average 1.048526863084922) internal successors, (1210), 1161 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1210 transitions. [2022-10-16 14:39:50,023 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1210 transitions. Word has length 1019 [2022-10-16 14:39:50,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:50,024 INFO L495 AbstractCegarLoop]: Abstraction has 1162 states and 1210 transitions. [2022-10-16 14:39:50,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1210 transitions. [2022-10-16 14:39:50,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1020 [2022-10-16 14:39:50,031 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:50,032 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:50,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-10-16 14:39:50,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-10-16 14:39:50,238 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:50,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:50,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1108284329, now seen corresponding path program 1 times [2022-10-16 14:39:50,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:50,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661383996] [2022-10-16 14:39:50,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:50,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 2432 proven. 1305 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:51,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:51,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661383996] [2022-10-16 14:39:51,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661383996] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:51,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873460665] [2022-10-16 14:39:51,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:51,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:51,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:51,681 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:51,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-10-16 14:39:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:52,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 2302 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:39:53,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:39:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 3731 proven. 6 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:53,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:39:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12754 backedges. 3620 proven. 117 refuted. 0 times theorem prover too weak. 9017 trivial. 0 not checked. [2022-10-16 14:39:54,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873460665] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:39:54,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:39:54,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 23 [2022-10-16 14:39:54,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326170197] [2022-10-16 14:39:54,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:39:54,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 14:39:54,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:39:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 14:39:54,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:39:54,351 INFO L87 Difference]: Start difference. First operand 1162 states and 1210 transitions. Second operand has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:55,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:39:55,107 INFO L93 Difference]: Finished difference Result 1336 states and 1402 transitions. [2022-10-16 14:39:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 14:39:55,108 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1019 [2022-10-16 14:39:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:39:55,111 INFO L225 Difference]: With dead ends: 1336 [2022-10-16 14:39:55,111 INFO L226 Difference]: Without dead ends: 1176 [2022-10-16 14:39:55,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2061 GetRequests, 2019 SyntacticMatches, 10 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:39:55,112 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 119 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:39:55,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1038 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:39:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2022-10-16 14:39:55,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1170. [2022-10-16 14:39:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1162 states have (on average 1.0481927710843373) internal successors, (1218), 1169 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1218 transitions. [2022-10-16 14:39:55,201 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1218 transitions. Word has length 1019 [2022-10-16 14:39:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:39:55,202 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1218 transitions. [2022-10-16 14:39:55,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.434782608695652) internal successors, (263), 23 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:39:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1218 transitions. [2022-10-16 14:39:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2022-10-16 14:39:55,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:39:55,209 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:39:55,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-10-16 14:39:55,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 14:39:55,410 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:39:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:39:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash -67493583, now seen corresponding path program 2 times [2022-10-16 14:39:55,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:39:55,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38406694] [2022-10-16 14:39:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:39:55,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:39:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:39:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:39:57,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:39:57,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38406694] [2022-10-16 14:39:57,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38406694] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:39:57,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881300128] [2022-10-16 14:39:57,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:39:57,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:39:57,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:39:57,131 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:39:57,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-10-16 14:39:58,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:39:58,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:39:58,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:39:58,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:40:00,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12888 backedges. 1522 proven. 2331 refuted. 0 times theorem prover too weak. 9035 trivial. 0 not checked. [2022-10-16 14:40:02,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881300128] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:02,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:02,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2022-10-16 14:40:02,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454190263] [2022-10-16 14:40:02,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:02,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:40:02,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:02,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:40:02,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:40:02,305 INFO L87 Difference]: Start difference. First operand 1170 states and 1218 transitions. Second operand has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:03,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:03,355 INFO L93 Difference]: Finished difference Result 1376 states and 1442 transitions. [2022-10-16 14:40:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:40:03,356 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1027 [2022-10-16 14:40:03,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:03,358 INFO L225 Difference]: With dead ends: 1376 [2022-10-16 14:40:03,358 INFO L226 Difference]: Without dead ends: 1227 [2022-10-16 14:40:03,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2089 GetRequests, 2031 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=707, Invalid=2599, Unknown=0, NotChecked=0, Total=3306 [2022-10-16 14:40:03,360 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 1269 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:03,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 856 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:40:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-10-16 14:40:03,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1189. [2022-10-16 14:40:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1181 states have (on average 1.048264182895851) internal successors, (1238), 1188 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1238 transitions. [2022-10-16 14:40:03,456 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1238 transitions. Word has length 1027 [2022-10-16 14:40:03,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:03,457 INFO L495 AbstractCegarLoop]: Abstraction has 1189 states and 1238 transitions. [2022-10-16 14:40:03,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 14.083333333333334) internal successors, (507), 36 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1238 transitions. [2022-10-16 14:40:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2022-10-16 14:40:03,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:03,468 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:03,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:03,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2022-10-16 14:40:03,682 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:03,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:03,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1333661385, now seen corresponding path program 3 times [2022-10-16 14:40:03,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:03,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837843850] [2022-10-16 14:40:03,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:03,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13236 backedges. 1060 proven. 3150 refuted. 0 times theorem prover too weak. 9026 trivial. 0 not checked. [2022-10-16 14:40:05,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:05,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837843850] [2022-10-16 14:40:05,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837843850] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:05,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734554936] [2022-10-16 14:40:05,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:40:05,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:05,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:05,190 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:05,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-10-16 14:40:06,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:40:06,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:06,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:40:06,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13236 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13227 trivial. 0 not checked. [2022-10-16 14:40:06,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:06,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734554936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:06,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:06,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 16 [2022-10-16 14:40:06,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243843193] [2022-10-16 14:40:06,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:06,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:06,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:06,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:40:06,328 INFO L87 Difference]: Start difference. First operand 1189 states and 1238 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:06,455 INFO L93 Difference]: Finished difference Result 1189 states and 1238 transitions. [2022-10-16 14:40:06,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:06,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1046 [2022-10-16 14:40:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:06,458 INFO L225 Difference]: With dead ends: 1189 [2022-10-16 14:40:06,459 INFO L226 Difference]: Without dead ends: 1188 [2022-10-16 14:40:06,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:40:06,460 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:06,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 217 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-10-16 14:40:06,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1188. [2022-10-16 14:40:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 1181 states have (on average 1.0474174428450467) internal successors, (1237), 1187 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1237 transitions. [2022-10-16 14:40:06,608 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1237 transitions. Word has length 1046 [2022-10-16 14:40:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:06,609 INFO L495 AbstractCegarLoop]: Abstraction has 1188 states and 1237 transitions. [2022-10-16 14:40:06,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1237 transitions. [2022-10-16 14:40:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2022-10-16 14:40:06,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:06,621 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 28, 28, 28, 28, 28, 28, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:06,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:06,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:06,835 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:06,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2053329417, now seen corresponding path program 1 times [2022-10-16 14:40:06,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:06,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467207952] [2022-10-16 14:40:06,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:06,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13221 trivial. 0 not checked. [2022-10-16 14:40:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:08,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467207952] [2022-10-16 14:40:08,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467207952] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855905719] [2022-10-16 14:40:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:08,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:08,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:08,074 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:08,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-10-16 14:40:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:09,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:40:09,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 4203 proven. 21 refuted. 0 times theorem prover too weak. 8998 trivial. 0 not checked. [2022-10-16 14:40:10,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 13222 backedges. 3737 proven. 487 refuted. 0 times theorem prover too weak. 8998 trivial. 0 not checked. [2022-10-16 14:40:11,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855905719] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:11,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:11,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 16] total 28 [2022-10-16 14:40:11,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75506481] [2022-10-16 14:40:11,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:11,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:11,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:11,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:11,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:11,059 INFO L87 Difference]: Start difference. First operand 1188 states and 1237 transitions. Second operand has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:12,395 INFO L93 Difference]: Finished difference Result 1383 states and 1451 transitions. [2022-10-16 14:40:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 14:40:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1047 [2022-10-16 14:40:12,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:12,398 INFO L225 Difference]: With dead ends: 1383 [2022-10-16 14:40:12,398 INFO L226 Difference]: Without dead ends: 1238 [2022-10-16 14:40:12,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2132 GetRequests, 2068 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=652, Invalid=2770, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 14:40:12,399 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 471 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:12,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 843 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:40:12,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-10-16 14:40:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1200. [2022-10-16 14:40:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1193 states have (on average 1.0461022632020118) internal successors, (1248), 1199 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1248 transitions. [2022-10-16 14:40:12,493 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1248 transitions. Word has length 1047 [2022-10-16 14:40:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:12,493 INFO L495 AbstractCegarLoop]: Abstraction has 1200 states and 1248 transitions. [2022-10-16 14:40:12,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.321428571428571) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1248 transitions. [2022-10-16 14:40:12,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2022-10-16 14:40:12,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:12,500 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 30, 30, 30, 30, 30, 30, 30, 19, 19, 19, 19, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:12,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:12,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2022-10-16 14:40:12,701 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:12,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:12,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1868542737, now seen corresponding path program 1 times [2022-10-16 14:40:12,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:12,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401885014] [2022-10-16 14:40:12,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:12,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13592 trivial. 0 not checked. [2022-10-16 14:40:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401885014] [2022-10-16 14:40:13,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401885014] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119441286] [2022-10-16 14:40:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:13,357 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:13,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-10-16 14:40:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:14,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:40:14,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1248 proven. 3294 refuted. 0 times theorem prover too weak. 9062 trivial. 0 not checked. [2022-10-16 14:40:17,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13604 backedges. 1248 proven. 3294 refuted. 0 times theorem prover too weak. 9062 trivial. 0 not checked. [2022-10-16 14:40:18,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119441286] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:18,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:18,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14, 14] total 28 [2022-10-16 14:40:18,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963772389] [2022-10-16 14:40:18,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:18,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:18,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:18,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:18,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:18,889 INFO L87 Difference]: Start difference. First operand 1200 states and 1248 transitions. Second operand has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:20,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:20,121 INFO L93 Difference]: Finished difference Result 1400 states and 1464 transitions. [2022-10-16 14:40:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:40:20,121 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1059 [2022-10-16 14:40:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:20,124 INFO L225 Difference]: With dead ends: 1400 [2022-10-16 14:40:20,124 INFO L226 Difference]: Without dead ends: 1276 [2022-10-16 14:40:20,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2100 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=678, Invalid=2862, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:40:20,129 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 1428 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:20,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 626 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:40:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-10-16 14:40:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1231. [2022-10-16 14:40:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1225 states have (on average 1.0440816326530613) internal successors, (1279), 1230 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1279 transitions. [2022-10-16 14:40:20,352 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1279 transitions. Word has length 1059 [2022-10-16 14:40:20,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:20,353 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1279 transitions. [2022-10-16 14:40:20,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 16.857142857142858) internal successors, (472), 28 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1279 transitions. [2022-10-16 14:40:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2022-10-16 14:40:20,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:20,361 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 19, 19, 19, 19, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:20,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:20,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:20,562 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:20,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:20,563 INFO L85 PathProgramCache]: Analyzing trace with hash 305929847, now seen corresponding path program 2 times [2022-10-16 14:40:20,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:20,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895119576] [2022-10-16 14:40:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:20,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 3495 proven. 1889 refuted. 0 times theorem prover too weak. 9209 trivial. 0 not checked. [2022-10-16 14:40:22,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:22,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895119576] [2022-10-16 14:40:22,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895119576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:22,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677396843] [2022-10-16 14:40:22,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:22,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:22,283 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:22,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-10-16 14:40:23,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:23,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:23,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:40:23,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14575 trivial. 0 not checked. [2022-10-16 14:40:24,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14593 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14575 trivial. 0 not checked. [2022-10-16 14:40:26,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677396843] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:26,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:26,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 28 [2022-10-16 14:40:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401004705] [2022-10-16 14:40:26,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:26,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:40:26,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:26,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:40:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:40:26,467 INFO L87 Difference]: Start difference. First operand 1231 states and 1279 transitions. Second operand has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:28,687 INFO L93 Difference]: Finished difference Result 1364 states and 1425 transitions. [2022-10-16 14:40:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:40:28,688 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1094 [2022-10-16 14:40:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:28,696 INFO L225 Difference]: With dead ends: 1364 [2022-10-16 14:40:28,697 INFO L226 Difference]: Without dead ends: 1246 [2022-10-16 14:40:28,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2250 GetRequests, 2179 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1125, Invalid=4131, Unknown=0, NotChecked=0, Total=5256 [2022-10-16 14:40:28,698 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 725 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:28,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 1300 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:40:28,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2022-10-16 14:40:28,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1228. [2022-10-16 14:40:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1223 states have (on average 1.0425183973834833) internal successors, (1275), 1227 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1275 transitions. [2022-10-16 14:40:28,854 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1275 transitions. Word has length 1094 [2022-10-16 14:40:28,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:28,855 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1275 transitions. [2022-10-16 14:40:28,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 14.785714285714286) internal successors, (414), 28 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1275 transitions. [2022-10-16 14:40:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2022-10-16 14:40:28,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:28,868 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:28,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:29,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable71 [2022-10-16 14:40:29,083 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:29,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1070890909, now seen corresponding path program 2 times [2022-10-16 14:40:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:29,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903336626] [2022-10-16 14:40:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14669 trivial. 0 not checked. [2022-10-16 14:40:30,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:30,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903336626] [2022-10-16 14:40:30,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903336626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:30,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:30,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:40:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017101400] [2022-10-16 14:40:30,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:30,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:40:30,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:30,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:40:30,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:40:30,059 INFO L87 Difference]: Start difference. First operand 1228 states and 1275 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:30,323 INFO L93 Difference]: Finished difference Result 1242 states and 1291 transitions. [2022-10-16 14:40:30,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:40:30,324 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1106 [2022-10-16 14:40:30,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:30,327 INFO L225 Difference]: With dead ends: 1242 [2022-10-16 14:40:30,327 INFO L226 Difference]: Without dead ends: 1241 [2022-10-16 14:40:30,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:40:30,328 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 228 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:30,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 213 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-10-16 14:40:30,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1227. [2022-10-16 14:40:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1223 states have (on average 1.0417007358953394) internal successors, (1274), 1226 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1274 transitions. [2022-10-16 14:40:30,452 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1274 transitions. Word has length 1106 [2022-10-16 14:40:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:30,452 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1274 transitions. [2022-10-16 14:40:30,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1274 transitions. [2022-10-16 14:40:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1108 [2022-10-16 14:40:30,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:30,460 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 34, 34, 34, 34, 34, 34, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:30,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-10-16 14:40:30,460 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:30,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1162120483, now seen corresponding path program 1 times [2022-10-16 14:40:30,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:30,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236460005] [2022-10-16 14:40:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 14654 trivial. 0 not checked. [2022-10-16 14:40:31,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:31,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236460005] [2022-10-16 14:40:31,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236460005] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:31,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896746230] [2022-10-16 14:40:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:31,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:31,535 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:31,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-10-16 14:40:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:32,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:40:32,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 5442 proven. 40 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-10-16 14:40:33,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14669 backedges. 4622 proven. 860 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-10-16 14:40:34,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896746230] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:34,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:34,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 20, 20] total 34 [2022-10-16 14:40:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38817370] [2022-10-16 14:40:34,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:34,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 14:40:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 14:40:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=930, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:40:34,867 INFO L87 Difference]: Start difference. First operand 1227 states and 1274 transitions. Second operand has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:36,660 INFO L93 Difference]: Finished difference Result 1365 states and 1424 transitions. [2022-10-16 14:40:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 14:40:36,661 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1107 [2022-10-16 14:40:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:36,663 INFO L225 Difference]: With dead ends: 1365 [2022-10-16 14:40:36,664 INFO L226 Difference]: Without dead ends: 1251 [2022-10-16 14:40:36,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2251 GetRequests, 2179 SyntacticMatches, 9 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=715, Invalid=3445, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 14:40:36,668 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 183 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1806 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:36,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1806 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:40:36,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-10-16 14:40:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1237. [2022-10-16 14:40:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1233 states have (on average 1.0413625304136254) internal successors, (1284), 1236 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1284 transitions. [2022-10-16 14:40:36,833 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1284 transitions. Word has length 1107 [2022-10-16 14:40:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:36,834 INFO L495 AbstractCegarLoop]: Abstraction has 1237 states and 1284 transitions. [2022-10-16 14:40:36,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.235294117647058) internal successors, (348), 34 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:36,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1284 transitions. [2022-10-16 14:40:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2022-10-16 14:40:36,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:36,847 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:36,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:37,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:37,062 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash -487885887, now seen corresponding path program 2 times [2022-10-16 14:40:37,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:37,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121865670] [2022-10-16 14:40:37,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:37,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14879 trivial. 0 not checked. [2022-10-16 14:40:38,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:38,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121865670] [2022-10-16 14:40:38,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121865670] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:38,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968005888] [2022-10-16 14:40:38,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:38,436 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:38,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-10-16 14:40:39,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:39,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:39,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:40:39,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14898 trivial. 0 not checked. [2022-10-16 14:40:41,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:41,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968005888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:41,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:41,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-10-16 14:40:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170207516] [2022-10-16 14:40:41,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:41,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:40:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:41,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:40:41,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:40:41,156 INFO L87 Difference]: Start difference. First operand 1237 states and 1284 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:41,409 INFO L93 Difference]: Finished difference Result 1248 states and 1296 transitions. [2022-10-16 14:40:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:40:41,410 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1117 [2022-10-16 14:40:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:41,414 INFO L225 Difference]: With dead ends: 1248 [2022-10-16 14:40:41,414 INFO L226 Difference]: Without dead ends: 1247 [2022-10-16 14:40:41,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:40:41,415 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 161 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:41,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 291 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:41,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2022-10-16 14:40:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1241. [2022-10-16 14:40:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1237 states have (on average 1.042037186742118) internal successors, (1289), 1240 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1289 transitions. [2022-10-16 14:40:41,626 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1289 transitions. Word has length 1117 [2022-10-16 14:40:41,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:41,628 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1289 transitions. [2022-10-16 14:40:41,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1289 transitions. [2022-10-16 14:40:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2022-10-16 14:40:41,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:41,638 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:41,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-10-16 14:40:41,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:41,839 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:41,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:41,840 INFO L85 PathProgramCache]: Analyzing trace with hash -719310449, now seen corresponding path program 1 times [2022-10-16 14:40:41,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:41,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98347058] [2022-10-16 14:40:41,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14899 trivial. 0 not checked. [2022-10-16 14:40:42,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:42,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98347058] [2022-10-16 14:40:42,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98347058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:42,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:42,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:40:42,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964058332] [2022-10-16 14:40:42,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:42,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:42,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:42,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:42,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:40:42,376 INFO L87 Difference]: Start difference. First operand 1241 states and 1289 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:42,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:42,528 INFO L93 Difference]: Finished difference Result 1241 states and 1289 transitions. [2022-10-16 14:40:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:42,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1121 [2022-10-16 14:40:42,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:42,530 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 14:40:42,530 INFO L226 Difference]: Without dead ends: 1239 [2022-10-16 14:40:42,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:40:42,531 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 57 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:42,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 168 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2022-10-16 14:40:42,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2022-10-16 14:40:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1237 states have (on average 1.0404203718674212) internal successors, (1287), 1238 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1287 transitions. [2022-10-16 14:40:42,630 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1287 transitions. Word has length 1121 [2022-10-16 14:40:42,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:42,631 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1287 transitions. [2022-10-16 14:40:42,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1287 transitions. [2022-10-16 14:40:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1123 [2022-10-16 14:40:42,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:42,639 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:42,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-10-16 14:40:42,639 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash -823787135, now seen corresponding path program 1 times [2022-10-16 14:40:42,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:42,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679441972] [2022-10-16 14:40:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14899 trivial. 0 not checked. [2022-10-16 14:40:43,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:43,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679441972] [2022-10-16 14:40:43,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679441972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:43,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:40:43,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:40:43,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671639893] [2022-10-16 14:40:43,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:43,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:40:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:43,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:40:43,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:40:43,256 INFO L87 Difference]: Start difference. First operand 1239 states and 1287 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:43,408 INFO L93 Difference]: Finished difference Result 1239 states and 1287 transitions. [2022-10-16 14:40:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:40:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1122 [2022-10-16 14:40:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:43,411 INFO L225 Difference]: With dead ends: 1239 [2022-10-16 14:40:43,411 INFO L226 Difference]: Without dead ends: 1238 [2022-10-16 14:40:43,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:40:43,412 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 47 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:43,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 188 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:40:43,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2022-10-16 14:40:43,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1238. [2022-10-16 14:40:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1237 states have (on average 1.0396119644300728) internal successors, (1286), 1237 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:43,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1286 transitions. [2022-10-16 14:40:43,510 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1286 transitions. Word has length 1122 [2022-10-16 14:40:43,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:43,511 INFO L495 AbstractCegarLoop]: Abstraction has 1238 states and 1286 transitions. [2022-10-16 14:40:43,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1286 transitions. [2022-10-16 14:40:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1130 [2022-10-16 14:40:43,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:43,519 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:43,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-10-16 14:40:43,519 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:43,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash -292905159, now seen corresponding path program 1 times [2022-10-16 14:40:43,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:43,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366926796] [2022-10-16 14:40:43,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:43,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:44,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:44,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366926796] [2022-10-16 14:40:44,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366926796] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:44,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345128908] [2022-10-16 14:40:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:44,873 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:44,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-10-16 14:40:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:46,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 2523 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:40:46,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:47,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:40:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14907 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14888 trivial. 0 not checked. [2022-10-16 14:40:49,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345128908] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:40:49,387 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:40:49,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2022-10-16 14:40:49,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544340753] [2022-10-16 14:40:49,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:40:49,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 14:40:49,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:49,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 14:40:49,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:40:49,390 INFO L87 Difference]: Start difference. First operand 1238 states and 1286 transitions. Second operand has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:49,884 INFO L93 Difference]: Finished difference Result 1295 states and 1351 transitions. [2022-10-16 14:40:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:40:49,885 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1129 [2022-10-16 14:40:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:49,887 INFO L225 Difference]: With dead ends: 1295 [2022-10-16 14:40:49,887 INFO L226 Difference]: Without dead ends: 1272 [2022-10-16 14:40:49,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2277 GetRequests, 2245 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=323, Invalid=799, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:40:49,888 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 767 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:49,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 493 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:40:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-10-16 14:40:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1268. [2022-10-16 14:40:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1267 states have (on average 1.0410418310970797) internal successors, (1319), 1267 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1319 transitions. [2022-10-16 14:40:49,993 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1319 transitions. Word has length 1129 [2022-10-16 14:40:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:49,994 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1319 transitions. [2022-10-16 14:40:49,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.347826086956522) internal successors, (284), 23 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1319 transitions. [2022-10-16 14:40:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2022-10-16 14:40:50,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:40:50,002 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 30, 20, 20, 20, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:40:50,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:50,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2022-10-16 14:40:50,203 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-10-16 14:40:50,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:40:50,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1497656665, now seen corresponding path program 2 times [2022-10-16 14:40:50,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:40:50,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957138742] [2022-10-16 14:40:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:40:50,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:40:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:40:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 15036 backedges. 84 proven. 13 refuted. 0 times theorem prover too weak. 14939 trivial. 0 not checked. [2022-10-16 14:40:51,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:40:51,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957138742] [2022-10-16 14:40:51,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957138742] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:40:51,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843528866] [2022-10-16 14:40:51,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:40:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:40:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:40:51,753 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:40:51,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-10-16 14:40:53,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:40:53,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:40:53,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:40:53,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:40:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15036 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15029 trivial. 0 not checked. [2022-10-16 14:40:53,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:40:53,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843528866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:40:53,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:40:53,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2022-10-16 14:40:53,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450573540] [2022-10-16 14:40:53,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:40:53,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:40:53,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:40:53,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:40:53,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:40:53,127 INFO L87 Difference]: Start difference. First operand 1268 states and 1319 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:40:53,334 INFO L93 Difference]: Finished difference Result 1268 states and 1319 transitions. [2022-10-16 14:40:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:40:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1159 [2022-10-16 14:40:53,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:40:53,335 INFO L225 Difference]: With dead ends: 1268 [2022-10-16 14:40:53,335 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:40:53,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:40:53,338 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 101 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:40:53,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 229 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:40:53,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:40:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:40:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:40:53,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1159 [2022-10-16 14:40:53,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:40:53,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:40:53,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:40:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:40:53,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:40:53,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-10-16 14:40:53,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-10-16 14:40:53,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-10-16 14:40:53,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-10-16 14:40:53,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-10-16 14:40:53,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-10-16 14:40:53,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-10-16 14:40:53,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-10-16 14:40:53,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-10-16 14:40:53,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-10-16 14:40:53,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-10-16 14:40:53,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-10-16 14:40:53,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2022-10-16 14:40:53,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.